Number | Name | Date | Kind |
---|---|---|---|
2349461 | Pratt et al. | May 1944 | |
2412209 | Dickey et al. | Dec 1946 | |
2696475 | Farrow | Dec 1954 | |
2861995 | MacKenzie | Nov 1958 | |
3087928 | Godfrey | Apr 1963 | |
3347926 | Zech | Oct 1967 | |
3390184 | Moss et al. | Jun 1968 | |
3429925 | Cour | Feb 1969 | |
3520933 | Adam et al. | Jul 1970 | |
3522309 | Kirby | Jul 1970 | |
3654370 | Yeakey | Apr 1972 | |
3714259 | Lichtenwalter et al. | Jan 1973 | |
3922303 | Takehara et al. | Nov 1975 | |
4014933 | Boettger et al. | Mar 1977 | |
4036883 | Voges et al. | Jul 1977 | |
4152353 | Habermann | May 1979 | |
4153581 | Habermann | May 1979 | |
4209424 | LeGoff et al. | Jun 1980 | |
4314084 | Martinez de Pinillos et al. | Feb 1982 | |
4409399 | Swift et al. | Oct 1983 | |
4495369 | Werner et al. | Jan 1985 | |
4532324 | Renken et al. | Jul 1985 | |
4766245 | Larkin et al. | Aug 1988 | |
4772750 | Habermann | Sep 1988 | |
4806690 | Bowman | Feb 1989 |
Number | Date | Country |
---|---|---|
211552 | Feb 1987 | EPX |
2235992 | Feb 1973 | DEX |
679712 | Sep 1952 | GBX |