Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247901 | Programmable dual stack relay ladder diagram line solver and programming panel therefor with prompter | Jonathan F. Martin | 1981-01-27 |
| 4247909 | Programmable dual stack relay ladder diagram line solver with shift register | John C. Bradley | 1981-01-27 |
| 4244034 | Programmable dual stack relay ladder line solver and programming panel therefor | — | 1981-01-06 |