Number | Name | Date | Kind |
---|---|---|---|
196435 | Thies et al. | Oct 1963 | |
D197281 | Dreyfuss et al. | Jan 1964 | |
D204271 | Haussermann | Apr 1966 | |
206161 | Cuccio et al. | Nov 1966 | |
235069 | Todeschini et al. | May 1975 | |
D245843 | Hirasawa et al. | Sep 1977 | |
D255570 | Janda | Jun 1980 | |
D259638 | Della Giovanni | Jun 1981 | |
D265310 | Kovens | Jul 1982 | |
275101 | Read | Aug 1984 | |
3483333 | Cregeen | Dec 1969 | |
3769744 | Sloane, Jr. et al. | Nov 1973 | |
4220828 | Rusic | Sep 1980 |
Entry |
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Post Office Electrical Eng.'rs Journal, U./c; vol. 74, Oct. 1981: Article customer apparatus, etc., pp. 235-247. |
C & Potomac Tel. brochure, Jan. 1966: Touchtone Phones, 2 pages. |
B. A. Pargh, Inc. catalog .COPYRGT.1983: at p. 7, Webcor Zip model 1000zT. |