Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4677877 | Accessory drive with band brake | Andrew G. Anderson, David Bullen | 1987-07-07 |
| 4529413 | Recovering dessicant-antifreeze from admixture with water and hydrogen sulfide | — | 1985-07-16 |