| Number | Name | Date | Kind |
|---|---|---|---|
| D162882 | Rodgers-Bannister | Apr 1951 | |
| D187074 | Cunningham | Jan 1960 | |
| D251910 | Taguchi | May 1979 | |
| D284454 | Gremonprez et al. | Jul 1986 | |
| D299664 | Ferguson et al. | Jan 1989 | |
| D330907 | Burke | Nov 1992 | |
| D346382 | Ando et al. | Apr 1994 | |
| D364164 | Hanig | Nov 1995 | |
| D374188 | Horii | Oct 1996 | |
| D377351 | Toki et al. | Jan 1997 | |
| D378816 | Hino | Apr 1997 | |
| 5109539 | Inibushi et al. | Apr 1992 | |
| 5197091 | Takagi et al. | Mar 1993 |
| Entry |
|---|
| Answers, Radio Shack Catalog, pp. 19 and 53, as cited by applicant w/o from 1449, 1997. |