Number | Name | Date | Kind |
---|---|---|---|
D283127 | Hai-Ping | Mar 1986 | |
4178488 | Nishihata | Dec 1979 | |
4734679 | Haskins | Mar 1988 |
Entry |
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"Siemens Miniset 200-A Compact Telephone for All Locations", Siemens Telcom Report 8, Nov.-Dec. 1985, No. 6, pp. 372-376. |
"The GTE Flip-Phone Telephone," W. Ruffer, GTE Automatic Electric Journal, vol. 16, No. 6, Nov. 1978, pp. 214-219. |