Patent Libraries: Complete PTDL List Alabama Auburn Ralph Brown Draughon Library, Auburn 334 844-1737 Birmingham Birmingham Public Library 205 226-3620 Alaska Anchorage Z. J. Loussac Public Library, Anchorage 907 562-7323 Municipal Libraries Arizona Tempe Noble Science and Engineering Library, 480 965-7010 Arizona State University Arkansas Little Rock Arkansas State Library 501 682-2053 California Los Angeles Los Angeles Public Library 213 228-7220 Sacramento California State Library, Library-Courts 916 654-0069 Building San Diego San Diego Public Library 619 236-5813 San Francisco San Francisco Public Library 415 557-4500 Sunnyvale Sunnyvale Center for Innovation, Invention 408 730-7290 & Ideas Colorado Denver Denver Public Library 303 640-6220 Connecticut Hartford Hartford Public Library 860 543-8628 New Haven New Haven Free Public Library 203 946-8130 Delaware Newark University of Delaware Library 302 831-2965 District of Columbia Washington Founders Library, Howard University 202 806-7252 Florida Fort Lauderdale Broward County Main Library 954 357-7444 Miami Miami-Dade Public Library 305 375-2665 Orlando University of Central Florida Libraries 407 823-2562 Tampa Tampa Campus Library, University of 813 974-2726 South Florida Georgia Atlanta Library and Information Center, Georgia 404 894-4508 Institute of Technology Hawaii Honolulu Hawaii State Library 808 586-3477 Idaho Moscow University of Idaho Library 208 885-6235 Illinois Chicago Chicago Public Library 312 747-4450 Springfield Illinois State Library 217 782-5659 Indiana Indianapolis Indianapolis-Marion County Public Library 317 269-1741 West Lafayette Siegesmund Engineering Library, Purdue 765 494-2872 Iowa Des Moines State Library of Iowa 515 242-6541 Kansas Wichita Ablah Library, Wichita State University 316 978-3155 Kentucky Louisville Louisville Free Public Library 502 574-1611 Louisiana Baton Rouge Troy H. Middleton Library, Louisiana State 225 388-8875 Maine Orono Raymond H. Fogler Library, University of 207 581-1678 Maine Maryland College Park Engineering and Physical Sciences Library, 301 405-9157 University of Maryland Massachusetts Amherst Physical Sciences and Engineering Library, 413 545-1370 University of Massachusetts Boston Boston Public Library 617 536-5400, Ext. 265 Michigan Ann Arbor Media Union Library, The University 734 647-5735 of Michigan Big Rapids Abigail S. Timme Library, Ferris State 231 591-3602 University Detroit Great Lakes Patent and Trademark Center, 313 833-3379 Detroit Public Library Minnesota Minneapolis Minneapolis Public Library 612 630-6120 Mississippi Jackson Mississippi Library Commission 601 961-4111 Missouri Kansas City Linda Hall Library 816 363-4600 St. Louis St. Louis Public Library 314 241-2288, Ext. 390 Montana Butte Montana Tech Library of the University of 406 496-4281 Montana Nebraska Lincoln Engineering Library, Nebraska Hall, 2nd 402 472-3411 Floor West, University of Nebraska-Lincoln Nevada Las Vegas Clark County Library, Las Vegas - Clark Not Yet Operational County Library District Reno University Library, University of Nevada 775 784-6500, Ext. 257 New Hampshire Concord New Hampshire State Library 603 271-2239 New Jersey Newark Newark Public Library 973 733-7779 Piscataway Library of Science and Medicine, Rutgers 732 445-2895 University New Mexico Albuquerque Centennial Science and Engineering Library, 505 277-4412 The University of New Mexico New York Albany New York State Library, Cultural Education 518 474-5355 Center Buffalo Buffalo and Erie County Public Library 716 858-7101 New York Science, Industry and Business Library, 212 592-7000 New York Public Library Rochester Central Library of Rochester and Monroe 716 428-8110 County Stony Brook Melville Library, Room 1101, SUNY at 516 632-7148 Stony Brook North Carolina Raleigh D. H. Hill Library, North Carolina State 919 515-2935 University North Dakota Grand Forks Chester Fritz Library, University of North 701 777-4888 Dakota Ohio Akron Akron-Summit County Public Library 330 643-9075 Cincinnati The Public Library of Cincinnati 513 369-6971 Cleveland Cleveland Public Library 216 623-2870 Columbus Ohio State University 614 292-3022 Dayton Wright State University 937 775-2925 Toledo Toledo/Lucas County Public Library 419 259-5212 Oklahoma Stillwater Oklahoma State University 405 744-7086 Oregon Portland Lewis & Clark College 503 768-6786 Pennsylvania Philadelphia The Free Library of Philadelphia 215 686-5331 Pittsburgh The Carnegie Library of Pittsburgh 412 622-3138 University Park Business Library, Paterno Library 814 865-6369 Puerto Rico Bayam�n General Library, Bayam�n Campus, Not yet operational University of Puerto Rico Mayag�ez General Library, Mayag�ez Campus, 787 832-4040 Ext. University of Puerto Rico 2022 Rhode Island Providence Providence Public Library 401 455-8027 South Carolina Clemson R. M. Cooper Library, Clemson University 864 656-3024 South Dakota Rapid City Devereaux Library, South Dakota School of 605 394-1275 Mines and Technology Tennessee Memphis Memphis & Shelby County Public Library & 901 725-8877 Information Cntr Nashville Stevenson Science and Engineering 615 322-2717 Library, Vanderbilt University Texas Austin McKinney Engineering Library, ECJ 1.300, 512 495-4500 The University of Texas at Austin College Station Texas A&M University 979 845-5745 Dallas Dallas Public Library 214 670-1468 Houston Fondren Library - MS 225, Rice University 713 348-5483 Lubbock Texas Tech University Library 806 742-2282 San Antonio San Antonio Public Library Not yet operational Utah Salt Lake City University of Utah Marriott Library 801 581-8394 Vermont Burlington Bailey/Howe Library, University of Vermont 802 656-2542 Virginia Richmond James Branch Cabell Library, Virginia 804 828-1104 Commonwealth University Washington Seattle Engineering Library, University of Washington 206 543-0740 West Virginia Morgantown Evansdale Library, West Virginia University 304 293-4695, Ext.5113 Wisconsin Madison Kurt F. Wendt Library, University of 608 262-6845 Wisconsin-Madison Milwaukee Milwaukee Public Library 414 286-3051 Wyoming Cheyenne Wyoming State Library Not yet operational
* information provided by the USPTO *
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