Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Bruce J. Penney or
Dan Knierim or
John Addis or
Richard A. Jackson
& Company :
Tektronix Inc, Sony-Tektronix Inc or
The Grass Valley Group, Inc. or
XFRM Inc
& Grant date:
1990
& Cites :
... or
Patent US 4322688A or
None
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.