| Number | Name | Date | Kind |
|---|---|---|---|
| D95077 | Schlage | Apr 1935 | |
| D278880 | Widen | May 1985 | |
| 1782464 | Falk | Nov 1930 | |
| 2059129 | Maxwell et al. | Oct 1936 | |
| 2803959 | Schlage | Aug 1957 | |
| 3499304 | Naujoks | Mar 1970 | |
| 3605463 | Epstein | Sep 1971 | |
| 4608842 | Tietz | Sep 1986 | |
| 4683740 | Errani | Aug 1987 | |
| 4787225 | Hauser | Nov 1988 | |
| 4964288 | Braun et al. | Oct 1990 |
| Number | Date | Country |
|---|---|---|
| 258614 | Apr 1965 | AUX |
| 220505 | Aug 1961 | ATX |
| 88591 | Feb 1960 | DKX |
| 305953 | Mar 1989 | EPX |
| 1355188 | Jun 1974 | GBX |
| Entry |
|---|
| Ilco Unican Corp. Catalogue No. 60R (1984) Key Blank #1178 (p. 2). |
| Ilco Unican Corp. Catalogue No. 60R (1984) Key Blank #D1054KA (p. 8). |
| Ilco Unican Corp. Catalogue No. 60R (1984) Key Blank #1054HT (p. 13). |