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 |
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Computer Design, July 1974, p. 98-computer. |
Teaching Machine Industry Survey & Buyer's Guide, .COPYRGT.1962, p. 104, Autoscope. |