Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858288 | Method for molding expandable polystyrene foam articles | — | 1999-01-12 |
| 4813859 | Apparatus for molding expandable polystyrene foam articles | F. Paul Szubelick | 1989-03-21 |
| 4801361 | Method and apparatus for molding expandable polystyrene foam articles | F. Paul Szubelick | 1989-01-31 |