Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Duaine E. Berger

AMAmpex: 1 patents #119 of 247Top 50%
Los Angeles, CA: #7,008 of 12,377 inventorsTop 60%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,056,260 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4399485 Air baffle assembly for electronic circuit mounting frame Kurt O. Wright, Timothy L. Brehm, Paul S. Matsuoka 1983-08-16