U.S. patent number D254,493 [Application Number 05/871,418] was granted by the patent office on 1980-03-18 for stored number telephone dialing unit. This patent grant is currently assigned to Microelectronic Communications Corp.. Invention is credited to Raymond A. Grosso, Alfred J. Prizlow.
United States Patent | D254,493 |
Grosso , et al. | March 18, 1980 |
Inventors: | Grosso; Raymond A. (Troy, MI), Prizlow; Alfred J. (Bloomfield Hills, MI) |
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Assignee: | Microelectronic Communications
Corp. (Madison Heights, MI) |
Appl. No.: | 05/871,418 |
Filed: | January 23, 1978 |
Current U.S. Class: | D14/245 |
Current International Class: | D1403 |
Field of Search: | ;D14/66,57,53,60 ;179/9AD,178,179,1D |
D231835 | June 1974 | Zapolski |
D232100 | July 1974 | Binks |
D236008 | July 1975 | Wixon |
D250533 | December 1978 | Renard |
D250891 | January 1979 | Renard |
3322904 | May 1967 | McCay et al. |
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