| Number | Name | Date | Kind |
|---|---|---|---|
| D232783 | Payne | Sep 1974 | |
| D276964 | Boland | Jan 1985 | |
| D290059 | Kirchner | May 1987 | |
| 3002650 | Lovell | Oct 1961 | |
| 3107131 | Lightburn | Oct 1963 | |
| 3362576 | Beesley et al. | Jan 1968 | |
| 3403814 | Asenbauer | Oct 1968 | |
| 4053098 | Baptist | Oct 1977 | |
| 4151948 | De La Fuente, Jr. | May 1979 | |
| 4176747 | Aho | Dec 1979 | |
| 4529088 | Quong | Jul 1985 | |
| 4660725 | Fishman et al. | Apr 1987 | |
| 4911303 | Andersson | Mar 1990 | |
| 4932532 | Apps | Jun 1990 |
| Number | Date | Country |
|---|---|---|
| 2411091 | Aug 1979 | FRX |
| Entry |
|---|
| Rubbermaid & Matting Catalog 1993 p. 27. |