| Number | Name | Date | Kind |
|---|---|---|---|
| D262894 | Moore et al. | Feb 1982 | |
| D267498 | Bachman et al. | Jan 1983 | |
| D275019 | Morgan, Jr. et al. | Aug 1984 | |
| 1897072 | Parks et al. | Feb 1933 | |
| 2392511 | Thompson et al. | Jan 1946 | |
| 2476877 | Knott et al. | Jul 1949 | |
| 2814317 | Gale | Nov 1957 | |
| 3151773 | Pickering | Oct 1964 | |
| 4011931 | Wyckoff | Mar 1977 | |
| 4326620 | Felix et al. | Apr 1982 | |
| 4380130 | Bachmann et al. | Apr 1983 | |
| 4454670 | Bachmann et al. | Jun 1984 | |
| 4454670 | Bachmann et al. | Jun 1984 |