| Number | Name | Date | Kind |
|---|---|---|---|
| D220569 | DeCarlo | Apr 1971 | |
| D303246 | Freeman et al. | Sep 1989 |
| Entry |
|---|
| Patch Panel on p. 78 of Telephony, Feb. 10, 1986. |
| Modular Patch Panel on p. 60 of Telephony, 2-17-86. |
| Nevada Western Patch Panel on p. back cover of Telephony, 4-28-86. |