Historical, Regional and Specialized Patent and Trademark Research

This page lists historical, regional and specialized and regional patent and trademark resources.

About.com: Inventors
Extensive annotated list of invention-related links, includes lists like Chinese Inventions, Famous Inventors, Black Inventors, and Women Inventors
Alabama Inventors Database
Database of patents created by the Birmingham Public Library
Black Inventors by State or Country of Residence, 1834-2008, Index
Downloadable Excel Spreadsheet, Compiled by Margaret J. Collins, Illinois State Library (2008)
[Canada] Library and Archives Canada Historical Patents
Database of Canadian patents granted to Canadian citizens or residents from 1860 through 1919
Canadian Patent Office Record and Register of Copyrights
Hathi Trust Digital Library
Cincinnati Inventors Database
Database of patents issued to Cincinnati and Hamilton County, Ohio Inventors from 1813 through 1873.
Confederate Patent Office
List of Patents issued by the Confederate Patent Office, 1861-1864
Decisions of Commissioner of Patents and U.S. Courts in Patent and Trademark
Hathi Trust Digital Library
Design Patents to 1873*
Directory of American Tool and Machine Patents (DATAMP)
Disclaimer Patents 1837-1873*
DNA Patents Database
A collection of DNA-based patents and patent applications issued by the United States Patent and Trademark Office for those interested in fields like genomics, genetics and biotechnology. Documents included in the DPD are identified by a search algorithm that captures documents with a nucleic-acid specific term in its claims section and also with a relevant classification code. Terms specific to nucleic acids include "DNA," "RNA," "nucleotide," "polynucleotide," etc.
Eco-Patent Commons
The Eco-Patent Commons was founded on the commitment that anyone who wants to bring environmental benefits to market can use these patents to protect the environment and enable collaboration between businesses that foster new innovations.
Electronic Orange Book
This database from the U.S. Food and Drug Administration (FDA) contains patent information for drugs. May be helpful in finding patents describing the synthesis of modern drugs or for determining if patents are still in effect and/or have been extended.
Extension Patents to 1865*
Idaho Historical Patents Database
Database of patents created by the University of Idaho Library
Improvement Patents to 1861*
Index of Trademarks Issued from the United States Patent and Trademark Office, 1927-1991 (incomplete)
Hathi Trust Digital Library
Inventors Museum
Directory of inventors and inventions in categories like Colonial Inventors, Medical Inventions, and War Tech
Iowa Inventions Database
Database of patents created by the Iowa State Library
[Louisiana] Index to Early Louisiana Patents, 1810-1890
Database of patents created by Miami University Libraries
Miami Valley Inventors Historical Database
Bibliographic information on over 1800 patents, including biographical notes of a few inventors, cities and towns, attorneys of record, estate administrators, and assignments; covers the period 1814-1875 for an 11 county region around Dayton, OH : Butler, Champaign, Clark, Darke, Greene, Logan, Miami, Montgomery, Preble, Shelby and Warren counties.
Name Changes in Patents 1851-2002
This database indexes United States patents in which a personal name change is specifically identified in the document.
Nevada Inventors Database
US patents issued to Nevada inventors from 1862 through 1938. Created by the University of Nevada, Reno Libraries
Official Gazette of the United States Patent Office, 1899-2002
Hathi Trust Digital Library
Oklahoma Inventors Database, 1880 - 1907
Database of patents created by Oklahoma State University
Patent Indexes & Annual Reports from the Commissioner of Patents, 1790-1958 (incomplete)
Hathi Trust Digital Library
[Pittsburgh] From Air Brakes to Zinc Furnaces: Pittsburgh and Allegheny City Patentees 1790 - 1879
Database of patents created by the Carnegie Library of Pittsburgh
Reissue Patents 1838-1873*
South Carolina Inventors, 1793 - 1893
Database of patents created by Clemson University Libraries
Texas Historical Patents
The Portal to Texas History includes patents from 1846 - 1911, with more being added as the project continues. Patents are indexed by inventor (creator) name and address, publication date (creation date), application date (submission date), patent number and more. Records include representative drawings and abstract.
Trademarks 1870-1873*
U.S. Alien Property Custodian Documents Database
Database of bibliographic data for WWII patent applications that were seized by the Alien Property Custodian in 1942 and published by the Patent Office in the spring of 1943
Utility Patents 1-65000*
Utility Patents 65000-100000*
Utility Patents 100001-146119*
Women Inventors Index, 1790 - 1895
Database created by the Miami University Libraries
Women of Invention: Women Inventors and Patent Holders
Compiled by The Library of Congress Science, Technology & Business Division
Wyoming Inventors Database
Databases of patents created by the Wyoming State Library
X-Patents (names, dates, PNs only)*
X-Patents (with added fields)*
Technology Assessment and Forecast, Seventh Report
Lists the number of patents granted in each state from 1883-1976. Also includes a table with the numbers of trademarks registered and renewed from 1870-1976 (total – not broken out by state.)

* Content courtesy of Jim Shaw, Hutchinson, Kansas