Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 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 | $19,084,000 |