Drilldown: Patents

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Patents > Inventors

: Bruce Hofer

or John Addis

or Les Larson

or Linley Gumm

or Phil Crosby

or Thomas S. Buzak

& Company

: Audio Precision

or Tektronix Inc

or Zeelan Technology, Inc.

& Grant date: 1990 - 1999

& Cites

: ...

or Patent US 2280531A

or Patent US 3358159A

or Patent US 3689752A

or Patent US 3725792A

or Patent US 3753170A

or Patent US 4255003A

or None

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