Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4267134 | Method and apparatus for smoothing foamed plastic core panelboard surface | Stephen A. Knis | 1981-05-12 |
| 4267135 | Process and apparatus for the continuous molding of polymer foam bunstock having a substantially rectangular cross-section | Richard M. Stroud | 1981-05-12 |
| 4237238 | Polyisocyanurate foams based on esterified DMI oxidation residue additive | David T. DeGuiseppi | 1980-12-02 |