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USPTO Patent Rankings Data through Dec 31, 2025
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John K. Larson — 4 Patents

PIPrecision Instruments: 4 patents #2 of 3Top 70%
Arlington Heights, IL: #372 of 1,285 inventorsTop 30%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John K. Larson has been granted 4 US patents while listed as an inventor at Precision Instruments. The first was granted in 1990 and the most recent in April 1996. John K. Larson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John K. Larson in Arlington Heights, IL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5503042 Antifriction force transmission means for plungers of torque signalling wrenches John A. Larson, Talmage O. Green 1996-04-02
5244284 Antifriction roller means for plungers Talmage O. Green 1993-09-14
5129293 Torque control mechanism for wrenches and the like Talmage O. Green 1992-07-14
4901610 Adjustable torque controlling mechanism Talmage O. Green 1990-02-20