| Number | Name | Date | Kind |
|---|---|---|---|
| D216757 | Di Pierro et al. | Mar 1970 | |
| D262839 | Daenen et al. | Feb 1982 | |
| D264896 | Perkins | Jun 1982 | |
| D309519 | Remier | Jul 1990 | |
| D318568 | H.ang.kansson | Jul 1991 | |
| D319016 | Kahl | Aug 1991 | |
| D319074 | Robinson | Aug 1991 | |
| D326815 | Meisner et al. | Jun 1992 | |
| D326945 | Howitt | Jun 1992 | |
| D333783 | Perugini | Mar 1993 | |
| 2941637 | Silverman | Jun 1960 | |
| 2983402 | Gottsegen | May 1961 | |
| 3155270 | Taft | Nov 1964 | |
| 3392874 | Peebles | Jul 1968 | |
| 3463353 | Pebbles | Aug 1969 | |
| 3586205 | Van Daalen | Jun 1971 | |
| 3606511 | Henning et al. | Sep 1971 | |
| 3628843 | Wynne et al. | Dec 1971 | |
| 4029209 | Frahm et al. | Jun 1977 | |
| 4353182 | Junkas et al. | Oct 1982 | |
| 4366998 | Kaiser | Jan 1983 | |
| 4416372 | Polk | Nov 1983 | |
| 4460085 | Jantzen | Jul 1984 | |
| 4550828 | Baldwin et al. | Nov 1985 | |
| 4619363 | Wolfseder | Oct 1986 | |
| 4662515 | Newby, Sr. | May 1987 | |
| 4714158 | Oltman et al. | Dec 1987 | |
| 4895256 | Johnston | Jan 1990 | |
| 5011013 | Meisner et al. | Apr 1991 | |
| 5040681 | Grusin | Aug 1991 | |
| 5184836 | Andrews, Jr. et al. | Feb 1993 | |
| 5305544 | Testa, Jr. | Apr 1994 |
| Entry |
|---|
| Lewisystems Cat. 1983, p. 26. |