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

Robert Bac

UNUnknown: 5 patents #3,065 of 83,584Top 4%
Overall (All Time): #2,171,647 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7086733 Three-piece spectacle frame 2006-08-08
5861933 Spectacle frame and method for securing organic lenses thereto 1999-01-19