Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637213 | Immersible filter drum unit and method for assembling thereof | Stephen N. McEwen, Scott M. McEwen, Richard A. Hallet, Robert F. Benschoter, Barry Benschoter | 1997-06-10 |