Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078932 | Method and apparatus for making a disposable casting pattern of expanded foamed beads | Fridolin Bissinger | 1992-01-07 |
| 4977945 | Full mold comprised of a plastic foam material | Fridolin Bissinger, Adalbert Wittmoser | 1990-12-18 |