Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014103 | Passive navigation system | Donald L. Sumner, Joseph N. Dmytrasz, Joseph Gatta, Henry Ritchie | 2000-01-11 |
| 5912643 | Passive navigation system | Joseph N. Dmytrasz, Joseph Gatta, Henry Ritchie, Donald L. Sumner | 1999-06-15 |