Number | Name | Date | Kind |
---|---|---|---|
RE13200 | Capell | Feb 1911 | |
1240949 | Criqui | Sep 1917 | |
2975962 | Busquet | Mar 1961 | |
3597117 | Zoehfeld | Aug 1971 | |
3967874 | Calabro | Jul 1976 | |
4269571 | Shikutani et al. | May 1981 | |
4526506 | Koger | Jul 1985 | |
4531890 | Stokes | Jul 1985 |
Number | Date | Country |
---|---|---|
1157902 | Nov 1983 | CAX |
2210271 | May 1981 | DEX |
41700 | Mar 1984 | JPX |
125798 | Jul 1985 | JPX |
1426503 | Mar 1976 | GBX |
1473919 | May 1977 | GBX |
1483455 | Aug 1977 | GBX |
2063365 | Jun 1981 | GBX |
2080879 | Feb 1982 | GBX |
2166494 | May 1986 | GBX |
Entry |
---|
European Patent 72,177, Feb. 1983. |