Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4267134 | Method and apparatus for smoothing foamed plastic core panelboard surface | Richard A. Kolakowski | 1981-05-12 |
| 4264673 | Oriented cell polyisocyanurate foam laminate | Daniel J. Breidenbach | 1981-04-28 |