Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WM

William Mitchell — 4 Patents

ILIlsco: 1 patents #9 of 24Top 40%
Delavan, WI: #17 of 69 inventorsTop 25%
Wisconsin: #10,875 of 40,088 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
William Mitchell has been granted 4 US patents while listed as an inventor at Ilsco. The first was granted in 1987 and the most recent in March 2023. William Mitchell ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list William Mitchell in Delavan, WI, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11597065 Pressure measuring device for crimping tool James Bider, Bill Wolins 2023-03-07
D573424 Cam tightening tool for tire chains 2008-07-22
6261103 System for analyzing and/or effecting experimental data from a remote location Philip James Stephens, Christopher J. Dufort, Clifford Bredenberg, Ashish A. More 2001-07-17
4682776 User worn arm bend control device Herbert Langston 1987-07-28