Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D488205 | Knife light | — | 2004-04-06 |
| 5660926 | High equivalent weight polyester polyols for closed cell, rigid foams | Kenneth G. Trout | 1997-08-26 |
| 5605940 | High equivalent weight polyester polyols for closed cell, rigid foams | Kenneth G. Trout | 1997-02-25 |
| 5563180 | Catalyst for polyisocyanurate foams made with alternative blowing agents | Kenneth G. Trout | 1996-10-08 |
| 4873268 | Digestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefrom | Richard K. Hallmark, William D. Stephens | 1989-10-10 |
| 4760099 | Stabilizer-containing polyol compositions for polyurethane and polyisocyanurate foams | John Canaday, Michael E. Londrigan | 1988-07-26 |
| 4714717 | Polyester polyols modified by low molecular weight glycols and cellular foams therefrom | Michael E. Londrigan | 1987-12-22 |
| 4539341 | Digestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefrom | Richard K. Hallmark, William D. Stephens | 1985-09-03 |
| 4386983 | Method of making a foam structural laminate | Donald E. Hipchen, Joseph R. Hagan | 1983-06-07 |
| 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 |
| 4284683 | Structural laminate | Donald E. Hipchen, Joseph R. Hagan | 1981-08-18 |
| 4212917 | Polyisocyanurate foam laminate | Alberto DeLeon | 1980-07-15 |