Number | Name | Date | Kind |
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D249744 | Lyman | Sep 1978 | |
D266544 | Crutchfield | Oct 1982 | |
D318758 | Meruar et al. | Aug 1991 | |
D323675 | Klodt | Feb 1992 | |
D327292 | Klodt | Jun 1992 | |
D328313 | Evenson et al. | Jul 1992 | |
D330161 | Schuh | Oct 1992 | |
D343795 | Verchere | Feb 1994 | |
D351090 | Narsutis | Oct 1994 | |
D363663 | Plater | Oct 1995 | |
D367609 | Frank et al. | Mar 1996 | |
D378552 | Lippisch | Mar 1997 | |
2724595 | Amann | Nov 1955 | |
3447714 | Elloit | Jun 1969 |