Number | Name | Date | Kind |
---|---|---|---|
D206802 | Wiener | Jan 1967 | |
D237891 | Gault | Dec 1975 | |
D247896 | Cannon et al. | May 1978 | |
D249943 | Bartlett | Oct 1978 | |
D263453 | Teitelbaum et al. | Mar 1982 |
Entry |
---|
Eagle Signal Industrial Controls brochure, p. A-4, Programmable Controller Systems. |
Vector Module Cage Advertisement--1977 Catalog, p. 11. |