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

Ay C. Che

Overall (All Time): #3,907,490 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4942492 Wiping device for magnetic tape cassettes 1990-07-17