Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713400 | Foaming system for phenolic foams | Frank J. Dwyer | 1987-12-15 |
| 4687787 | Foaming system for phenolic foams | Frank J. Dwyer | 1987-08-18 |
| 4624970 | Foaming system for rigid urethane and isocyanurate foams based on polyethers and aromatic polyester polyols | Frank J. Dwyer | 1986-11-25 |