Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525690 | Golf course yardage and information system with zone detection | Richard Rudow, John Coffee, Douglas L. Lecker, Tuan Pham, Kirk Bingeman | 2003-02-25 |
| 6236360 | Golf course yardage and information system | Richard Rudow, John Coffee, Douglas L. Lecker, Tuan Pham, Kirk Bingeman | 2001-05-22 |
| 5873797 | Remote golf ball locator | — | 1999-02-23 |