Number | Name | Date | Kind |
---|---|---|---|
D255031 | Lazzara | May 1980 | |
D263822 | Smith | Apr 1982 | |
D265986 | Wearsch et al. | Aug 1982 | |
D274721 | Smith | Jul 1984 | |
4451693 | Vest | May 1984 |
Entry |
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Advertisement of Lippincott Industries Inc. in "Telephony", Jun. 27, 1983, pp. 14-15. |
Advertisement of Western Electric for "The 1A Network Termination Unit". |
Brochure of Keptel Inc. for "Network Interface". |