Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032100 | System and method of communicating multiple carrier waves | Larry J. Fruit | 2011-10-04 |
| 7606327 | Method to receive local information with a national broadcast service | Glenn A. Walker, Duane E. Mateychuk | 2009-10-20 |
| 7474264 | Vehicle RF device detection system and method | Timothy D. Bolduc, Gregory Scharenbroch, Matthew R. Smith, Gerald J. Witt, Duane N. Mateychuk +1 more | 2009-01-06 |
| 5636575 | Conveyor speed retarder | Robert A. Hoehn | 1997-06-10 |
| 5511486 | Shock absorbing tow bar | Wendy L. Calvert | 1996-04-30 |