Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7027918 | Satellite navigation system using multiple antennas | Kurt R. Zimmerman, Dave Lawrence, H. Stewart Cobb, Paul Montgomery | 2006-04-11 |
| 6880643 | System and method for land-leveling | Kurt R. Zimmerman, Avi Gross, Glen Sapilewski, David G. Lawrence, H. Stewart Cobb +2 more | 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 |
| 6052647 | Method and system for automatic control of vehicles based on carrier phase differential GPS | Bradford W. Parkinson, Gabriel Hugh ELKAIM, Thomas Bell | 2000-04-18 |