Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361791 | Cleaning of the exterior surface of a pipeline to remove coatings | Charles M. Reid, James B. Seale, Donald R. Andruik | 1994-11-08 |
| 5330657 | System and method for removing asbestos particles from a slurry | Donald R. Andruik, James V. Van Matre, Andre Stenzel, Robert Joseph Logan, Edwin D. McCrory +2 more | 1994-07-19 |