| Number | Name | Date | Kind |
|---|---|---|---|
| 2240035 | Catherall | Apr 1941 | |
| 3922973 | Sturgeon | Dec 1975 | |
| 3977744 | DeWitt | Aug 1976 | |
| 4555128 | White et al. | Nov 1985 | |
| 4700634 | Mills et al. | Oct 1987 |
| Entry |
|---|
| J. C. Whitney Parts and Accessories, Catalog, 1988, .COPYRGT.1987, Printed in U.S.A., p. 116. |