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

William F. Ryczek — 28 Patents

UNUnknown: 7 patents #1,646 of 83,584Top 2%
TWThe Stanley Works: 4 patents #47 of 356Top 15%
STSteril-Aire: 2 patents #4 of 7Top 60%
La Verne, CA: #4 of 182 inventorsTop 3%
California: #18,844 of 386,348 inventorsTop 5%
Overall (All Time): #136,353 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
D319362 Shelf Kenneth K. Kellems, Douglas R. Smith 1991-08-27
4995323 Modular shelving and hanger bar system Kenneth K. Kellems, Douglas R. Smith 1991-02-26
D314682 Shelf Kenneth K. Kellems, Douglas R. Smith 1991-02-19