Historical Patent and Trademark Databases

Content courtesy of Jim Shaw, Hutchinson, Kansas

© Copyright Jim Shaw. Copying or downloading for commercial use strictly forbidden.
NOTE: All files are in Microsoft Excel format.

Added fields of title, residence, and inventor's first names were added
to Jim Shaw's X-Patent file in 2007 by PTDL staff: Cynthia Mayo, Tom
Melvin, Jan Comfort and Karon King.