Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957227 | Blade-equipped drilling tool, incorporating secondary cutting edges and passages designed for the removal of evacuated material | Alain Besson | 1999-09-28 |
| 5049486 | Temperature monitoring apparatus and method in a composting system through which organic matter is moved to effect composting | David B. Derryberry | 1991-09-17 |