Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850473 | Conveyor system including a buffer store | Duncan A. Paton, Arthur C. Larcombe, Stephen Baker | 1989-07-25 |
| 4508204 | Gravity feed chute | Leonard J. Rigbey | 1985-04-02 |
DM
David MacWilliams
Overall (All Time): #2,332,083 of 4,157,543Top 60%
2
Patents All Time