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

John P. Schaffer

Langdon, ND: #1 of 1 inventorsTop 100%
North Dakota: #9 of 89 inventorsTop 15%
Overall (1994): #111,730 of 165,921Top 70%
1 Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5331941 Adjustable overdraw for compound bow 1994-07-26