Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Randall Schuster — 2 Patents

TTTri Tool: 2 patents #17 of 31Top 55%
Davis, CA: #605 of 1,472 inventorsTop 45%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Randall Schuster has been granted 2 US patents while listed as an inventor at Tri Tool. The first was granted in 1987 and the most recent in March 1990. Randall Schuster ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Randall Schuster in Davis, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4911574 Cam lock for tool elements Jerald VanderPol 1990-03-27
4667548 End preparation tool for pipe fittings Henry Astle, Jerald VanderPol, Terry B. Linton 1987-05-26