Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4388035 | Dibble tube soil plug planter | Errol C. Armstrong, Angus B. Mackenzie | 1983-06-14 |
| 4294179 | Dibble tube soil plug planter | Errol C. Armstrong, Angus B. Mackenzie | 1981-10-13 |
| 4268201 | Unitizing system for produce cartons and the like | — | 1981-05-19 |
| 4203697 | Transfer apparatus for palletized loads | — | 1980-05-20 |