Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820143 | Apparatus for making a cord reinforced polyurethane conveyor belt | Winthrop S. Worcester | 1989-04-11 |
| 4770290 | Conveyor belt | Winthrop S. Worcester | 1988-09-13 |
| 4769202 | Process of making a conveyor belt | Winthrop S. Worcester | 1988-09-06 |
| 4678530 | Method of making liner sections for rotary pulverizers | Larry G. Miller | 1987-07-07 |
| 4580734 | Rotary pulverizers/ball mills | Larry G. Miller | 1986-04-08 |
| 4454263 | Vinyl chloride polymer plastisol composition | — | 1984-06-12 |