Drilldown: Patents
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Patents > Inventors :
Bruce J. Penney or
Dan Knierim or
John Kobbe
& Company :
Audio Precision or
Cascade Microtech, Inc. or
Tektronix Inc or
The Grass Valley Group, Inc.
& Filing date:
1970 - 1979
& Cites :
Patent US 2883619A or
Patent US 3312850A or
Patent US 3426237A or
Patent US 4048577A or
None
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