Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719555 | Golf cart control and monitoring apparatus and system using digital signal modulation techniques | Douglas Zeytoonjian, Harold Kramer, Chris M. Harrises, Roland Harris | 1998-02-17 |
| 5610586 | Golf cart control and monitoring apparatus and system | Douglas Zeytoonjian, Harold Kramer, Paul Allen | 1997-03-11 |
| 5438319 | Golf cart control and monitoring apparatus | Douglas Zeytoonjian, Harold Kramer, Paul Allen | 1995-08-01 |