Number | Name | Date | Kind |
---|---|---|---|
D162547 | Johnsen | Mar 1951 | |
D253696 | Suzuki | Dec 1979 | |
4018421 | Tallman | Apr 1977 | |
4277048 | Okuda | Jul 1981 | |
4635902 | Chou | Jan 1987 | |
5201494 | Lundman | Apr 1993 | |
5221073 | Shockley | Jun 1993 | |
5431369 | Hung | Jul 1995 | |
5551668 | Hung | Sep 1996 | |
5588639 | Holman | Dec 1996 |