Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579097 | System and method for training in military operations in urban terrain | Allen E. Ripingill, Jr. | 2003-06-17 |
| 4229737 | Ranging system and method for determining the range of a vehicle from a plurality of reference points | Carl Heldwein, Richard N. Jekel, John T. Zupan | 1980-10-21 |