Portable voice amplifier

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Description

FIG. 1 is a top front perspective view of a portable voice amplifier; and

FIG. 2 is a top rear perspective view thereof showing the microphone attachment therefor.

Referenced Cited
U.S. Patent Documents
D216018 November 1969 Sieler
D221440 August 1971 Biddulph et al.
D231236 April 1974 Cresap
2983791 May 1961 Menarik et al.
3432002 March 1969 Cohen
Patent History
Patent number: D247966
Type: Grant
Filed: Jun 10, 1976
Date of Patent: May 23, 1978
Inventor: George Jerome Sieler (Gardena, CA)
Primary Examiner: Bernard Ansher
Attorney: Louis J. Knobbe
Application Number: 5/694,739
Classifications
Current U.S. Class: D14/32; D14/35
International Classification: D1403;