Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899383 | Apparatus and method for secure digital communication | Charles W. Einolf, Jr., Harold B. Shutterly, Shan C. Sun, Russel W. Gonnam, Karl C. Koch +1 more | 1990-02-06 |
| 4408246 | Protective relay apparatus | — | 1983-10-04 |