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

Douglas L. Sarkkinen

Battle Ground, WA: #8 of 21 inventorsTop 40%
Washington: #2,839 of 8,555 inventorsTop 35%
Overall (2011): #312,917 of 364,097Top 90%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7937901 Tendon-identifying, post tensioned concrete flat plate slab and method and apparatus for constructing same 2011-05-10