Secure telephone modem or similar article

- Motorola, Inc.
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Description

FIG. 1 is a top, left front perspective view of a secure telephone modem or similar article showing our new design;

FIG. 2 is a right elevational view thereof, on an enlarged scale, the left side being a mirror image;

FIG. 3 is a rear elevational view thereof, on an enlarged scale;

FIG. 4 is a bottom plan view thereof, on an enlarged scale.

Referenced Cited
U.S. Patent Documents
D262106 December 1, 1981 Frassanito
D269345 June 14, 1983 Payne, Jr. et al.
D285554 September 9, 1986 Beaumont et al.
D292926 November 24, 1987 Gillespie et al.
D295178 April 12, 1988 Pedinielli et al.
D295752 May 17, 1988 MacKenzie et al.
4005367 January 25, 1977 Dano
4310923 January 12, 1982 Kennedy
4652969 March 24, 1987 Stegenga
Foreign Patent Documents
3413533 October 1985 DEX
Other references
  • Computer Products Oct. 1986, p. 23-v. 32 Full Duplex 9600 bps Trellis Coded Modem. Glasgal Communications, Inc. 1984, p. 7-Modem AJ1212AD1 top left box. Personal Computing Mar. 1984, p. 222-Indus GT Modem.
Patent History
Patent number: D302268
Type: Grant
Filed: Nov 21, 1986
Date of Patent: Jul 18, 1989
Assignee: Motorola, Inc. (Schaumburg, IL)
Inventors: Kenneth W. Larson (Elmhurst, IL), Ronald P. Scholtes (Cary, IL)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Attorneys: Donald B. Southard, Anthony J. Sarli, Jr.
Application Number: 6/933,722
Classifications
Current U.S. Class: D14/107; Telephone Equipment (D14/240); Telephone Or Base Therefor (D14/142)