| Number | Name | Date | Kind |
|---|---|---|---|
| D389051 | Caveney et al. | Jan 1998 | |
| 3605199 | Eberhardt | Sep 1971 | |
| 3886630 | Emery | Jun 1975 | |
| 4272047 | Botka | Jun 1981 | |
| 4447934 | Anscher | May 1984 | |
| 4631782 | Gecs | Dec 1986 | |
| 5803413 | Benoit et al. | Sep 1998 |
| Number | Date | Country |
|---|---|---|
| 0 035 368 | Sep 1981 | EPX |
| 0 090 726 | May 1983 | EPX |
| 2 502 265 | Sep 1982 | FRX |
| 1 291 172 | Oct 1972 | GBX |
| 1 418 900 | Dec 1975 | GBX |
| 2 040 352 | Aug 1980 | GBX |
| 2 037 869 | Oct 1982 | GBX |
| Entry |
|---|
| Panduit Catalog, Section A, p. 8, Nov. 5, 1993. |