Number | Name | Date | Kind |
---|---|---|---|
3605613 | DePuy et al. | Sep 1971 | |
3683802 | Hepner et al. | Aug 1972 | |
3791292 | Sonderstrom et al. | Feb 1974 | |
3845711 | Helms | Nov 1974 |
Entry |
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Kearney et al., Western Electric Tech. Digest No. 28, Oct. 1972, p. 23, "Endless Carrier Printers". |