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

John Makaeff, deceased — 1 Patent

Los Angeles, CA: #7,008 of 12,377 inventorsTop 60%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,120,366 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4224381 Abrasion resistant magnetic record members Pravin Patel, David H. Johnston 1980-09-23