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

W. Sheldon Ferguson — 1 Patent

KTKey Technology: 1 patents #60 of 131Top 50%
Weston, OR: #1 of 2 inventorsTop 50%
Oregon: #17,193 of 28,073 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
W. Sheldon Ferguson has been granted 1 US patent while listed as an inventor at Key Technology. All of these patents were granted in 1989. W. Sheldon Ferguson ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list W. Sheldon Ferguson in Weston, OR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4830180 Article inspection and stabilizing system Howard E. Paulson, Robert E. Ruthven 1989-05-16