| 7031947 |
Method and apparatus for continuing play with cart-based navigation/information system display |
Douglas L. Lecker |
2006-04-18 |
| 6525690 |
Golf course yardage and information system with zone detection |
Richard Rudow, John Coffee, Douglas L. Lecker, Tuan Pham, Brad Garn |
2003-02-25 |
| 6470242 |
Display monitor for golf cart yardage and information system |
Richard Rudow, John Coffee, Douglas L. Lecker, Robert D. Camiano |
2002-10-22 |
| 6446005 |
Magnetic wheel sensor for vehicle navigation system |
Richard Velasquez, William Tekniepe |
2002-09-03 |
| 6236940 |
Display monitor for golf cart yardage and information system |
Richard Rudow, John Coffee, Douglas L. Lecker, Robert D. Camiano |
2001-05-22 |
| 6236360 |
Golf course yardage and information system |
Richard Rudow, John Coffee, Douglas L. Lecker, Tuan Pham, Brad Garn |
2001-05-22 |
| 5878369 |
Golf course yardage and information system |
Richard Rudow, John Coffee, Douglas L. Lecker, Tuan Pham |
1999-03-02 |
| 5689431 |
Golf course yardage and information system |
Richard Rudow, John Coffee, Douglas L. Lecker, Tuan Pham |
1997-11-18 |