Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362678 | Method of making polyisocyanurate foam laminate | Alberto DeLeon | 1982-12-07 |
| 4346133 | Structural laminate and method for making same | Donald E. Hipchen, Joseph R. Hagan | 1982-08-24 |
| RE30984 | Structural laminate and method for making same | Donald E. Hipchen, Joseph R. Hagan | 1982-06-29 |
| 4311801 | Polyisocyanurate foam and process therefor | Alberto DeLeon | 1982-01-19 |