| Number | Name | Date | Kind |
|---|---|---|---|
| 144769 | Kade | Nov 1873 | |
| 825854 | Mead | Jul 1906 | |
| 835902 | Damato | Nov 1906 | |
| 943236 | Campbell | Dec 1909 | |
| 1128031 | Needleman | Feb 1915 | |
| 1375493 | Drew | Apr 1921 | |
| 2810617 | Slanhoff | Oct 1957 | |
| 3333766 | Crossland et al. | Aug 1967 | |
| 3345760 | Myhr | Oct 1967 | |
| 3361090 | Howlett | Jan 1968 | |
| 3850114 | Ganteaume | Nov 1974 | |
| 4189197 | Walker, Jr. | Feb 1980 | |
| 4223945 | Nikitits | Sep 1980 | |
| 4519318 | Weldon-Ming | May 1985 | |
| 4579401 | Mears | Apr 1986 | |
| 4747596 | Harrison | May 1988 | |
| 4747644 | Gallery et al. | May 1988 | |
| 5405192 | McGrath | Apr 1995 |
| Number | Date | Country |
|---|---|---|
| 710910 | Jun 1954 | GBX |
| Entry |
|---|
| U.S. application No. 08/759,247, Schumacher, filed Dec. 02, 1996. |