DM

Donald B. MacLeod

AM Ampex: 1 patents #119 of 247Top 50%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,900,307 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4916555 Method and apparatus for producing time base altered effects in data recording and reproducing apparatus Richard A. Hathaway, Raymond F. Ravizza 1990-04-10