Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500582 | Modified amine hardener systems | John Joseph King, Richard N. Castonguay | 1985-02-19 |
| 4440914 | Solid epoxy resin systems | David Helfand | 1984-04-03 |
| 4330659 | Modified amine hardener systems | John Joseph King, Richard N. Castonguay | 1982-05-18 |