Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647514 | Dry bulk pressure differential container with external frame support | John J. Toth | 1997-07-15 |
| 5628342 | Propellant transporting device | Stuart R. Grossberg, Ralph Minore | 1997-05-13 |