Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690746 | Signal recognizer for communications signals | James A. Sills | 2004-02-10 |
| 5444451 | Passive means for single site radio location | Richard L. Johnson, Allan G. Sonsteby | 1995-08-22 |