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Patent and Trademark Resource Center: Home

Patent and Trademark Resource Center (PTRC)

Welcome to the Patent and Trademark Resource Center


This is a guide of recommended information resources for patent and trademark research. 

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Wright State University Libraries maintain a Patent and Trademark Resource Center (PTRC) in the Paul Laurence Dunbar Library. 

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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.


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