Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236360 | Golf course yardage and information system | John Coffee, Douglas L. Lecker, Tuan Pham, Kirk Bingeman, Brad Garn | 2001-05-22 |
| 5878369 | Golf course yardage and information system | John Coffee, Douglas L. Lecker, Tuan Pham, Kirk Bingeman | 1999-03-02 |
| 5689431 | Golf course yardage and information system | John Coffee, Douglas L. Lecker, Tuan Pham, Kirk Bingeman | 1997-11-18 |
| 5315309 | Dual polarization antenna | Kenneth A. Wroblewski | 1994-05-24 |