Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7849799 | Supplement to mines by which the time period is limited within which the activation of mines after their placing is possible | — | 2010-12-14 |
| 7604430 | Assembly for preventing the vehicle passage | — | 2009-10-20 |
| RE37256 | System and method for generating precise position determinations | Clark E. Cohen, Bradford W. Parkinson, John D. Powell, David G. Lawrence, Henry Stewart Cobb | 2001-07-03 |
| 5572218 | System and method for generating precise position determinations | Clark E. Cohen, Bradford W. Parkinson, John D. Powell, David G. Lawrence, Henry Stewart Cobb | 1996-11-05 |