Secure telephone modem or similar article
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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
Foreign Patent Documents
Other references
| 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 |
| 3413533 | October 1985 | DEX |
- 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
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
