Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D674374 | Audio equipment | — | 2013-01-15 |
| D642160 | Audio apparatus | — | 2011-07-26 |
| D368862 | Counterfeit detector | — | 1996-04-16 |
| 5048856 | Golf trolley | Mark Sanders | 1991-09-17 |
| D319327 | Golf cart | Mark Sanders | 1991-08-20 |
| 4961593 | Golf trolley | Mark Sanders | 1990-10-09 |
| D296768 | Radar control and display unit | — | 1988-07-19 |
| D291614 | Travel iron | Keith Vallis | 1987-08-25 |