Number | Date | Country | Kind |
---|---|---|---|
2233/88 | Jun 1988 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
1578634 | Borgmann | Mar 1926 | |
2346346 | Anderson | Apr 1944 | |
2391693 | Ettinger | Dec 1945 | |
3568963 | Koskinen | Mar 1971 | |
4271832 | Evans et al. | Jun 1981 | |
4620533 | Mears | Nov 1986 | |
4673376 | Fender | Jun 1987 | |
4693240 | Evans | Sep 1987 | |
4920959 | Witzel et al. | May 1990 |
Number | Date | Country |
---|---|---|
242708 | Oct 1987 | EPX |
2843711 | Apr 1980 | DEX |
3132520 | Jun 1982 | DEX |
3515678 | Nov 1986 | DEX |
8703022 | Apr 1987 | DEX |
2405063 | May 1979 | FRX |
2531332 | Feb 1984 | FRX |
2557933 | Jul 1985 | FRX |
2615095 | Nov 1988 | FRX |
6639264 | Nov 1983 | CHX |
2178323 | Feb 1987 | GBX |
Entry |
---|
Bulletin No. 70, Robert Mathys Co., Synthes, 4/1986. |