Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8225618 | Refrigerant recovery method and apparatus | David Boyd, Charles R. Shambaugh | 2012-07-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8225618 | Refrigerant recovery method and apparatus | David Boyd, Charles R. Shambaugh | 2012-07-24 |