| Number | Name | Date | Kind |
|---|---|---|---|
| D282738 | Nichols | Feb 1986 | |
| D289288 | Muenscher et al. | Apr 1987 | |
| D305427 | Soren et al. | Jan 1990 | |
| D317606 | Irie et al. | Jun 1991 | |
| D319233 | Konno et al. | Aug 1991 | |
| D328294 | Stilley | Jul 1992 | |
| D336087 | Siddoway et al. | Jun 1993 | |
| D337763 | Seki et al. | Jul 1993 | |
| D338199 | Andrew | Aug 1993 | |
| D357249 | Williams | Apr 1995 | |
| D357250 | Ifuji et al. | Apr 1995 | |
| 5151946 | Martensson | Sep 1992 |
| Number | Date | Country |
|---|---|---|
| 0086929 | Apr 1988 | JPX |
| Entry |
|---|
| Electronics, Jun. 1990, Motorola Telephone. |