Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331942 | Fuel support grill rack | Alan Royce, James C. Stephen | 1994-07-26 |
| D346531 | Fuel support grid for outdoor cooker | James C. Stephen, Alan Royce | 1994-05-03 |
| 4416244 | Control system for a dual fuel internal combustion engine | — | 1983-11-22 |