Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4303727 | Intumescent flame-resistant coating | Charles L. Hamermesh, Peter A. Hogenson | 1981-12-01 |
| 4263410 | Ambient cure polyimide foam | Charles L. Hamermesh | 1981-04-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4303727 | Intumescent flame-resistant coating | Charles L. Hamermesh, Peter A. Hogenson | 1981-12-01 |
| 4263410 | Ambient cure polyimide foam | Charles L. Hamermesh | 1981-04-21 |