Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716054 | Diametric plane split mechanical face seal | Henry S. Duffee | 1998-02-10 |
| 5290047 | Bearing protection device | Henry S. Duffee | 1994-03-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716054 | Diametric plane split mechanical face seal | Henry S. Duffee | 1998-02-10 |
| 5290047 | Bearing protection device | Henry S. Duffee | 1994-03-01 |