Number | Name | Date | Kind |
---|---|---|---|
879883 | Mull | Feb 1908 | |
1343757 | Akers | Jun 1920 | |
1816258 | Lake | Jul 1931 | |
3072394 | Urquhart | Jan 1963 | |
3834081 | Catlett | Sep 1974 | |
3872622 | Berk | Mar 1975 | |
4370826 | Davidson | Feb 1983 | |
5105131 | Schap | Apr 1992 | |
5209082 | Ha | May 1993 | |
5295334 | Haraden | Mar 1994 | |
5373120 | Barrett et al. | Dec 1994 | |
5377448 | Boyd et al. | Jan 1995 | |
5396158 | Long et al. | Mar 1995 |
Number | Date | Country |
---|---|---|
520887 | Jul 1953 | BEX |
Entry |
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"DF8 Plus Series" Instruction Manual, Rev. 1, Saftronics, Inc., Ft. Myers, Florida. |