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

Koop L. L. Warringa

Overall (All Time): #3,627,998 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6121557 Pole reverser switch with moulded contacts 2000-09-19