Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4374207 | Intumescent flexible polyurethane foam | Herman Stone, Michael P. Pcolinsky, Jr. | 1983-02-15 |
| 4226944 | Process for a polyurethane foam containing fragrance | Herman Stone | 1980-10-07 |
| 4193887 | Filled detergent foam made by a one shot process | Herman Stone | 1980-03-18 |