Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7243646 | Apparatus and method for shearing reinforced concrete piles and metal piles and crushing reinforced concrete piles | — | 2007-07-17 |
| 5709091 | Refrigerant recovery and recycling method and apparatus | — | 1998-01-20 |
| 5535596 | Refrigerant reclamation and purification apparatus and method | — | 1996-07-16 |
| 5363662 | Refrigerant recovery and recycling method and apparatus | — | 1994-11-15 |
| 5022230 | Method and apparatus for reclaiming a refrigerant | — | 1991-06-11 |