James D. Diffenderfer — 1 Patent at Easco Hand Tools

James D. Diffenderfer has been granted 1 US patent while listed as an inventor at Easco Hand Tools. All of these patents were granted in 1993. James D. Diffenderfer ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list James D. Diffenderfer in Lancaster, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5199335	Flex-head tool with locking feature	Robert L. Arnold, Kenneth J. Taggart	1993-04-06

James D. Diffenderfer — 1 Patent

Issued Patents All Time

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