Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655849 | Couplings for joining shafts | Stephen N. McEwen, Richard A. Hallett, Robert F. Benschoter, Anthony J. Palumbo | 1997-08-12 |
| 5637213 | Immersible filter drum unit and method for assembling thereof | Stephen N. McEwen, Jay M. Creps, Richard A. Hallet, Robert F. Benschoter, Barry Benschoter | 1997-06-10 |