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

Abraham Brand

PCPertec Computer: 2 patents #2 of 13Top 20%
Calabasas, CA: #1,508 of 4,119 inventorsTop 40%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,373,605 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4237501 Emergency head unload system for magnetic disk drive Evan L. Barmache 1980-12-02
4207601 Transient temperature compensation for moving head disk drive Ashok K. Desai, Eric M. Dunstan, Raymond J. Marinello 1980-06-10