| Number | Date | Country | Kind |
|---|---|---|---|
| 81-1748 | Aug 1981 | SEX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D223431 | Muessel et al. | Apr 1972 | |
| D223432 | Eisenreich | Apr 1972 | |
| D233590 | Kerr | Nov 1974 | |
| 3313135 | Reisner | Apr 1967 | |
| 3688269 | Miller | Aug 1972 | |
| 3780550 | Simorghi | Dec 1973 | |
| 3786659 | Elder et al. | Jan 1974 | |
| 3841120 | Gartner | Oct 1974 | |
| 4099398 | Lipschutz | Jul 1978 | |
| 4305267 | Nish et al. | Dec 1981 | |
| 4336701 | Raymond | Jun 1982 | |
| 4393673 | Widen | Jul 1983 |
| Number | Date | Country |
|---|---|---|
| 1242464 | Jun 1967 | DEX |
| 577686 | May 1946 | GBX |
| 2039321 | Aug 1980 | GBX |
| 2089883 | Jun 1982 | GBX |
| Entry |
|---|
| Homecraft Lock Center Brochure, Gries Reproducer Co., p. 3, center column, third item from top, Key in foreground. |