Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814021 | Apparatus and method for reclassifying electrical apparatus contaminated with PCB | David R. Hopper | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814021 | Apparatus and method for reclassifying electrical apparatus contaminated with PCB | David R. Hopper | 1989-03-21 |