Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551070 | Noise control for conically ported liquid ring pumps | Ole B. Olsen, Herbert H. Johnson, Charles M. Jozepaitis | 1985-11-05 |
| 4521161 | Noise control for conically ported liquid ring pumps | Ole B. Olsen, Herbert H. Johnson, Charles M. Jozepaitis | 1985-06-04 |