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USPTO Patent Rankings Data through Dec 31, 2025
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Roy E. Caruthers — 1 Patent

DWDaniel Woodhead: 1 patents #2 of 5Top 40%
Bay City, TX: #17 of 40 inventorsTop 45%
Texas: #74,151 of 125,132 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Roy E. Caruthers has been granted 1 US patent while listed as an inventor at Daniel Woodhead. All of these patents were granted in 1986. Roy E. Caruthers ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Roy E. Caruthers in Bay City, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4626834 Ground continuity monitor for tool stop controllers 1986-12-02 $453,000