U.S. patent number D302,268 [Application Number 06/933,722] was granted by the patent office on 1989-07-18 for secure telephone modem or similar article. This patent grant is currently assigned to Motorola, Inc.. Invention is credited to Kenneth W. Larson, Ronald P. Scholtes.
United States Patent | D302,268 |
Larson , et al. | July 18, 1989 |
Inventors: | Larson; Kenneth W. (Elmhurst, IL), Scholtes; Ronald P. (Cary, IL) |
---|---|
Assignee: | Motorola, Inc. (Schaumburg,
IL) |
Appl. No.: | 06/933,722 |
Filed: | November 21, 1986 |
Current U.S. Class: | D14/242; D14/240; D14/142 |
Field of Search: | ;D14/100-117,141-142 ;360/97,99,133,132 ;361/330,331,332,352,334-335,348,380,381,379,390-395,384,415,426,358,2,4,9 ;312/299,304,208,275,270 ;364/708 ;211/41,26,126 ;174/50,52R ;200/5R,5A,6R,6A ;455/90 |
D262106 | December 1981 | Frassanito |
D269345 | June 1983 | Payne, Jr. et al. |
D285554 | September 1986 | Beaumont et al. |
D292926 | November 1987 | Gillespie et al. |
D295178 | April 1988 | Pedinielli et al. |
D295752 | May 1988 | MacKenzie et al. |
4005367 | January 1977 | Dano |
4310923 | January 1982 | Kennedy |
4652969 | March 1987 | Stegenga |
3413533 | Oct 1985 | DE | |||
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.. |
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