Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870564 | Distributed input/output system | Charles E. Konrad | 1989-09-26 |
| 4764868 | Distributed input/output system | Charles E. Konrad | 1988-08-16 |
| 4593380 | Dual function input/output for a programmable controller | Mark Kocher, Ronald E. Gareis, Charles E. Konrad | 1986-06-03 |