Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336790 | Molybdenum recovery | Edward T. Marquis, Howard F. Payton | 1994-08-09 |
| 5290527 | Molybdenum recovery | Edward T. Marquis, Howard F. Payton | 1994-03-01 |
| 5282744 | Dental vacuum pump system | — | 1994-02-01 |