Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591067 | Sealed waste transfer system for vacuum blasting | William S. McPhee | 1997-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591067 | Sealed waste transfer system for vacuum blasting | William S. McPhee | 1997-01-07 |