| Number | Name | Date | Kind |
|---|---|---|---|
| D202704 | Bartee | Nov 1965 | |
| D220626 | Randazzo | May 1971 | |
| D225532 | Flynn et al. | Dec 1972 | |
| 3728534 | Bertram et al. | Apr 1973 |
| Entry |
|---|
| Computer Design, July 1974, p. 98-computer. |
| Teaching Machine Industry Survey & Buyer's Guide, .COPYRGT.1962, p. 104, Autoscope. |