Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
Les Larson or
Linley Gumm
& Company :
Audio Precision or
Fluke Corp or
XFRM Inc
& Filing date:
1970 - 1979
& Cites :
Patent GB 460562A or
Patent US 2883619A or
Patent US 3214631A or
Patent US 3293474A or
Patent US 3331983A or
None
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