Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928584 | Foamable compositions for rotational molding | Clifford C. Lee, Andrew R. Feder, John Lefas, Salvatore D'Uva | 1999-07-27 |
| 4659514 | Esterification of rosin acid with calcium hydroxybenzyl phosphonate catalyst | — | 1987-04-21 |