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John O. Clark — 1 Patent

SHShopsmith: 1 patents #13 of 27Top 50%
Dayton, OH: #1,054 of 1,892 inventorsTop 60%
Ohio: #42,926 of 73,341 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
John O. Clark has been granted 1 US patent while listed as an inventor at Shopsmith. All of these patents were granted in 1985. John O. Clark ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John O. Clark in Dayton, OH, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4548246 Headstock elevating apparatus John G. Legler, Robert L. Bartlett, Charles J. Haas, Garry W. Woods 1985-10-22 $129,000

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