Number | Name | Date | Kind |
---|---|---|---|
D233611 | Kramer et al. | Nov 1974 | |
D270260 | Appel et al. | Aug 1983 | |
D283892 | Cutler | Oct 1986 | |
D287125 | Saunik | Dec 1986 | |
D290841 | Cochran | Jul 1987 | |
D291563 | Perry | Aug 1987 | |
D291566 | Perry et al. | Aug 1987 | |
3652795 | Wolf et al. | Mar 1972 | |
3938090 | Borison et al. | Feb 1976 | |
4161626 | Waldo | Jul 1979 | |
4266102 | Stanley et al. | May 1981 | |
4291198 | Anderson et al. | Sep 1981 | |
4434359 | Watanabe | Feb 1984 | |
4454414 | Benton | Jun 1984 | |
4475013 | Lee et al. | Oct 1984 | |
4543452 | Ippen | Sep 1985 | |
4587379 | Mazuda | May 1986 | |
4589069 | Endo et al. | May 1986 | |
4672661 | Clark, Jr. et al. | Jun 1987 | |
4698840 | Dively et al. | Oct 1987 | |
4720849 | Tayama | Jan 1988 |
Entry |
---|
"Teleconnect".RTM., Mar. 1988, .COPYRGT.1988: at p. 115, Protel Universal Payphone Upgrade. |