Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6185502 | Passive position fix system | Donald L. Sumner, Sung Leong Chew, Joseph N. Dmytrasz, Lorraine M. Mauser | 2001-02-06 |
| 6014103 | Passive navigation system | Donald L. Sumner, Sung-Leung Chew, Joseph N. Dmytrasz, Henry Ritchie | 2000-01-11 |
| 5912643 | Passive navigation system | Sung-Leung Chew, Joseph N. Dmytrasz, Henry Ritchie, Donald L. Sumner | 1999-06-15 |