Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565086 | Pusher amusement machine | Colin Kirby | 2003-05-20 |
| 5977744 | Vehicle battery controller | Neville Gresty | 1999-11-02 |
| 5027035 | Search lamps and torches | Peter McGrail, Grace McGrail, Brian J. Ward | 1991-06-25 |
| 4976376 | Prize dispensing machine providing the appearance of discharging prizes as a matter of chance | — | 1990-12-11 |
| D311965 | Electric lantern | Peter McGrail, Grace McGrail | 1990-11-06 |
| 4869500 | Combination vending machine and amusement game | — | 1989-09-26 |
| 4472778 | Vehicle anti-skid braking systems | John W. Davis | 1984-09-18 |