Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454703 | Apparatus for molding expanded polymer beads | — | 1995-10-03 |
| 5385698 | Dimensionally accurate expanded foam casting pattern | Patrick J. Van Ryckeghem | 1995-01-31 |
| 4448235 | Variable-permeability, two-layer pattern coating for lost foam casting | — | 1984-05-15 |