Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838614 | Method of excavation and apparatus therefor | Sybil Pentith | 1989-06-13 |
| 4696391 | Conveying apparatus | — | 1987-09-29 |
| 4623061 | Belt conveyor arrangement | — | 1986-11-18 |
| 4609099 | Belt conveyor arrangement | — | 1986-09-02 |
| 4577749 | Frictional drive means and method for driving frictional rollers | — | 1986-03-25 |
| 4281759 | Conveyors | — | 1981-08-04 |
| 4262478 | Agricultural machine | — | 1981-04-21 |
| 4245727 | Conduit | — | 1981-01-20 |
| 4185876 | Plural spaced cutter drums on pivotable elongate arm with loading means in the space | — | 1980-01-29 |