Sreekanth US2915598

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Title: US2915598 - Text Title unavailable - see image for title

Inventor: Brunton

Issue Date: 1954-12

Current U.S. Class: 381/327: ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES; HEARING AIDS, ELECTRICAL; Specified casing or housing; Spectacle
381/321: ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES; HEARING AIDS, ELECTRICAL; Wideband gain control
381/323: ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES; HEARING AIDS, ELECTRICAL; Specified casing or housing; Power supply or programming interface terminals


Forward References: 2 patents reference this one
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PDF
Patent  Pub.Date  Inventor Assignee Title
Buy PDF- 14pp US8523352 2013-09-03 Jannard; James H. Oakley, Inc. Media communication device
Buy PDF- 5pp USD354969 1995-01-31 Garcia; Rafael   Time display eyeglasses


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