Patent Trademark and Resource Center
The Wright State University Paul Laurance Dunbar Library is no longer a Patent and Trademark Resource Center. The library withdrew from the United States Patent and Trademark Center program mid-December, 2024.
Find Patent and Trademark expertise at these PTRC's:
Ohio State University, Columbus OH - https://guides.osu.edu/ptrc
(614-514-5935)
Indianapolis and Marion County Public Library, IN - https://www.indypl.org/research-learn/patents-trademarks
(317-275-4100)
Akron Summit County Public Library, OH - https://www.akronlibrary.org/
(330-643-9075)
Cleveland Public Library, OH - https://cpl.org/topic/patents/
(216-623-2932)
Toledo Lucas County Public Library, OH - https://www.toledolibrary.org/
(419-259-5244)
Miami Valley Historical Inventors Spreadsheet
Here is a spreadsheet of Miami Valley Inventors for the years 1814 to 1873. The spreadsheet contains 1800+ patent document numbers and 4000 individual names, some with historical notes. If indicated on the patent, assignment information and attorneys are also included in the record.
Counties: Butler, Champaign, Clark, Darke, Greene, Logan, Miami, Montgomery, Preble, Shelby, and Warren.
Cities: Dayton, Springfield, Xenia, Piqua, Troy, Sidney, Tipp City, Bellefontaine, Greenville, Hamilton, Middletown, Urbana, Oxford, Yellow Springs, and numerous smaller villages and localities.
- Miami Valley Historical Inventors fileAll entries were taken from the Subject-matter index of patents for inventions issued by the United States Patent Office from 1790 to 1873, 3 vols.
Subject-Matter Index of Patents for Inventions Issued by the United States Patent Office from 1790 to 1873, Inclusive by Call Number: T223.D7 A45 1976 (3 vols.)ISBN: 0405077378Publication Date: 1976-06-01
