Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956582 | Rhenium recovery | Cesare G. Ferron | 2015-02-17 |
| 5724963 | Portable air respirator | — | 1998-03-10 |
| D377214 | Portable air filter | — | 1997-01-07 |
| D330587 | Filter to be attached around user's waist for purifying air in a supplied air breathing system for use in otherwise hazardous environments | — | 1992-10-27 |