Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Robert L. Knapp

ASAmerican Seating: 4 patents #11 of 53Top 25%
STSterling: 2 patents #2 of 8Top 25%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Rockford, MI: #16 of 287 inventorsTop 6%
Michigan: #2,147 of 86,293 inventorsTop 3%
Overall (All Time): #125,070 of 4,157,543Top 4%
30 Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5219071 Jewelry package 1993-06-15
4423573 Wall panel with removable acoustical insert Bruce D. Omholt 1984-01-03
4408800 Office chairs 1983-10-11
4338990 Panel wall systems with modular component build-up Leif Blodee, Simon W. Oppenhuizen 1982-07-13
4265502 Panel wall systems with modular component build-up Leif Blodee, Simon W. Oppenhuizen 1981-05-05