Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558771 | Composite articles separating mercury from fluids | Donald F. Hagen, Louis C. Haddad, Robert E. Perkins | 1996-09-24 |
| 5492627 | Method for separating mercury from fluids using composite articles | Donald F. Hagen, Louis C. Haddad, Robert E. Perkins | 1996-02-20 |