Number | Name | Date | Kind |
---|---|---|---|
1177410 | Hatfield | Mar 1916 | |
2300842 | Leslie | Nov 1942 | |
3172347 | Johnson | Mar 1965 | |
3307505 | Windross | Mar 1967 | |
3800846 | Kurz | Apr 1974 | |
4304427 | McCabe | Dec 1981 |
Entry |
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A one-page written report of Tim J. Schotz dated Jan. 3, 1996 including a drawing entitled "Conventional Sleeve `B` Channel", Fig. 1. |