Number | Name | Date | Kind |
---|---|---|---|
1006974 | Moore et al. | Oct 1911 | |
3452663 | Machtig | Jul 1969 | |
3596945 | Mulvin | Aug 1971 | |
4032099 | Maude | Jun 1977 | |
4106413 | Hoaglund | Aug 1978 | |
4568801 | Gates et al. | Feb 1986 | |
4902079 | Kaplan et al. | Feb 1990 | |
4949376 | Nieves et al. | Aug 1990 |
Entry |
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Panasonic Operating Instructions, Integrated Telephone System, Model No. KX-T2345, Easa-Phone Telephone with Automatic Dialer and Speakerphone, p. 15. |
Panasonic Operating Instructions, Wall Mounting, Easa-Phone Cordless Phone System, p. 11. |