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

Frederic Zenczenko

General Motors: 1 patents #9,361 of 18,328Top 55%
Beverly Hills, MI: #815 of 1,381 inventorsTop 60%
Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,125,279 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8833389 Captured check ball valve cartridge Robert A. Dziurda 2014-09-16