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

Stephen George Kieffer

KCKieffer & Co.: 1 patents #1 of 1Top 100%
Sister Bay, WI: #2 of 3 inventorsTop 70%
Wisconsin: #910 of 3,225 inventorsTop 30%
Overall (2002): #113,483 of 266,432Top 45%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D452915 Semi-octopost extrusion 2002-01-08