Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4793523 | Metering mechanism | David E. Stone | 1988-12-27 |
| 4774897 | Marking unsown seed drill rows | — | 1988-10-04 |
| 4587909 | Agricultural drills | — | 1986-05-13 |
| 4450779 | Seed drills | — | 1984-05-29 |
| 4434605 | Mower-conditioner | — | 1984-03-06 |
| 4301643 | Agricultural mowers | Malcolm Dean, Norman J. A. Bruce | 1981-11-24 |
| 4289256 | Tramlining device for seed drill | — | 1981-09-15 |
| 4214537 | Grain drill furrow opening assembly | Ronald S. Sargent | 1980-07-29 |