Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Dan Knierim or
John Addis or
Les Larson or
Linley Gumm or
Phil Crosby or
Val Garuts
& Company :
Audio Precision or
Tektronix Inc or
Zeelan Technology, Inc. or
None
& Filing date:
April 4, 1974
& Cites :
Patent US 2280531A or
Patent US 2922074A or
Patent US 3293473A or
Patent US 3358159A or
Patent US 3689752A or
Patent US 3710173A or
Patent US 3725792A or
Patent US 3753170A or
None
& Links :
485 or
7A18
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Showing below up to 1 result in range #1 to #1.