Speakerphone

- Tridar
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Description

FIG. 1 is a perspective view of a speakerphone showing my new design;

FIG. 2 is a side elevational view of the speakerphone;

FIG. 3 is a front elevational view of the speakerphone; and

FIG. 4 is a rear elevational view of the speakerphone.

Referenced Cited
U.S. Patent Documents
D226199 January 1973 Breger
D234849 April 1975 Tyson et al.
D238079 December 1975 Heribertson et al.
D245500 August 23, 1977 Fukushima
3659050 April 1972 Carlsson et al.
3751600 August 1973 Reichard, Jr.
Foreign Patent Documents
1393219 May 1975 GBX
Patent History
Patent number: D256691
Type: Grant
Filed: Jan 30, 1978
Date of Patent: Sep 2, 1980
Assignee: Tridar (Sunnyvale, CA)
Inventor: Hans R. Camenzind (Los Altos, CA)
Primary Examiner: Bernard Ansher
Attorney: Paul D. Flehr
Application Number: 5/873,164
Classifications
Current U.S. Class: D14/57; D14/64
International Classification: D1403;