Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12358190 | Process to yield foam construction boards with low surface irregularities | John B. Letts, Chunhua Yao | 2025-07-15 |
| 4360653 | Polymerizate of (allyl carbonate) and aliphatic polyurethane having acrylic unsaturation | Henry C. Stevens, Edward J. Sare | 1982-11-23 |