| Number | Name | Date | Kind |
|---|---|---|---|
| RE28613 | Bolt | Nov 1975 | |
| D282375 | Dolson | Jan 1986 | |
| 1227704 | Ulrich | May 1917 | |
| 1329731 | Veasey | Feb 1920 | |
| 1374868 | White | Apr 1921 | |
| 1408731 | Harris | Mar 1922 | |
| 1668566 | Link | May 1928 | |
| 2113995 | Salvage | Apr 1938 | |
| 2742675 | Robertson | Apr 1956 | |
| 3286918 | Coyle | Nov 1966 | |
| 3322478 | Brown | May 1967 | |
| 3333766 | Crossland et al. | Aug 1967 | |
| 3389947 | Kelley et al. | Jun 1968 | |
| 3531170 | Boyer | Sep 1970 | |
| 3620587 | Ahmann | Nov 1971 | |
| 3652012 | Harris et al. | Mar 1972 | |
| 3806219 | Ahmann | Apr 1974 | |
| 4073556 | Wilson | Feb 1978 | |
| 4288134 | Knaack | Sep 1981 | |
| 4354652 | Ahmann | Jan 1983 | |
| 4377367 | Smith | Mar 1983 | |
| 4417774 | Bevan | Nov 1983 | |
| 4445731 | Ahmann | May 1984 | |
| 4451728 | McKay et al. | May 1984 | |
| 4484787 | Stephens | Nov 1984 | |
| 4510378 | Dolson | Apr 1985 | |
| 4569564 | Ahmann | Feb 1986 | |
| 4660904 | Stephens | Apr 1987 | |
| 4712757 | Ahmann | Dec 1987 | |
| 4733507 | Doublet | Mar 1988 |
| Number | Date | Country |
|---|---|---|
| 2902803 | Jul 1980 | DEX |
| 2613514 | Oct 1988 | FRX |
| 2196663 | May 1988 | GBX |
| 2212182 | Jul 1989 | GBX |
| Entry |
|---|
| United Kingdom printed application 2 206 279, Jan. 5, 1989, 3 drawings; 8 spec. |