| Number | Name | Date | Kind |
|---|---|---|---|
| D238512 | Boldt | Jan 1976 | |
| D244205 | Benham et al. | May 1977 | |
| D276236 | Akiyama | Nov 1984 | |
| D280407 | Sakamoto | Sep 1985 |
| Entry |
|---|
| Computer Design, 7-1981, p. 117, Evans & Sutherland Graphics Terminal. |
| Exxon 520 Information Processor Ad., .COPYRGT.1983, Display Terminal. |