| Number | Name | Date | Kind |
|---|---|---|---|
| 1712842 | Richardson | May 1929 | |
| 2172414 | Sherman | Jul 1939 | |
| 2300984 | Smith | Apr 1942 | |
| 2865700 | Myers | Feb 1958 | |
| 4107700 | Jornod | Dec 1978 | |
| 4226410 | McIntosh et al. | Sep 1980 | |
| 4431238 | Evans | Feb 1984 | |
| 4515490 | Marker, III | Mar 1985 | |
| 4544065 | Mueller | Oct 1985 | |
| 4563102 | Sanders, Jr. et al. | Jan 1986 |
| Entry |
|---|
| Grolen Incorporated, "SpaceMizer," two-page, undated brochure. |