Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7023381 | Multi-frequency pseudolites for carrier-based differential-position determination | Kurt R. Zimmerman, Clark E. Cohen, David G. Lawrence, Henry Stewart Cobb, Paul Montgomery | 2006-04-04 |
| 6882314 | Carrier-based differential-position determination using multi-frequency pseudolites | Kurt R. Zimmerman, Clark E. Cohen, David G. Lawrence, Henry Stewart Cobb, Paul Montgomery | 2005-04-19 |
| 6762714 | Low cost system and method for making dual band GPS measurements | Clark E. Cohen, David G. Lawrence, Stewart Cobb, Paul Montgomery, Miro Samek +3 more | 2004-07-13 |
| 6570534 | Low cost system and method for making dual band GPS measurements | Clark E. Cohen, David G. Lawrence, Stewart Cobb, Paul Montgomery, Miro Samek +3 more | 2003-05-27 |
| 5577122 | Secure communication of information | John F. Schipper | 1996-11-19 |