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

Theodore A. Marsh

AMAmpex: 1 patents #119 of 247Top 50%
San Francisco, CA: #14,272 of 26,999 inventorsTop 55%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,238,396 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6067411 Adaptive frequency synthesizer with synchronization Michael Poimboeuf, Danny T. Lee, Keith Kam Shun Lee 2000-05-23
4602285 System and method for transforming and filtering a video image Daniel A. Beaulier 1986-07-22