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USPTO Patent Rankings Data through Dec 31, 2025
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John Robert Visk — 4 Patents

COCormark: 2 patents #6 of 16Top 40%
FSFleming Sales: 1 patents #6 of 10Top 60%
RIRtc Industries: 1 patents #33 of 49Top 70%
Chicago, IL: #3,117 of 13,327 inventorsTop 25%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Robert Visk has been granted 4 US patents while listed as an inventor at Cormark. The first was granted in 1997 and the most recent in October 2007. John Robert Visk ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Robert Visk in Chicago, IL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7284740 Rotating sign mount with automatic return Scott Padiak, Thomas M. Conway, Paul C. Evans 2007-10-23
7124993 Rotating sign mount with automatic return Scott Padiak, Thomas M. Conway, Paul C. Evans 2006-10-24
5771930 Sprinkler and root feeder valve assembly 1998-06-30 $4,872,000
5682824 Display shelf system 1997-11-04