| Number | Name | Date | Kind |
|---|---|---|---|
| D349875 | Blodgett | Aug 1994 | |
| D356764 | Thixton, Jr. et al. | Mar 1995 | |
| D363768 | Morgan | Oct 1995 | |
| 1519967 | Hughes | Dec 1924 | |
| 2752170 | Eversole | Jun 1956 | |
| 3782761 | Cardin, Sr. | Jan 1974 | |
| 3782767 | Moore | Jan 1974 | |
| 4040641 | Riecke | Aug 1977 | |
| 4687026 | Westman | Aug 1987 | |
| 4979843 | Perry | Dec 1990 |
| Entry |
|---|
| Receiver Tube Cover #17-9176P and #12-4550W, J.C. Whitney Catalog #527R, p. 36, Feb. 1991. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 095732 | Oct 1998 | |
| Parent | 085347 | Mar 1998 |