Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290923 | Stack emission control system for removing organic pollutants from air | Roland N. Fracalossi, Walter V. V. Greenhouse, George Tolen | 2001-09-18 |
| 5552449 | Polyurethane foam based on combination of polyester resin and polyether polyol | Roland N. Fracalossi, Walter V. V. Greenhouse, George Tolen | 1996-09-03 |
| 4621106 | Polyester polyurethane foams having antistatic properties | Roland N. Fracalossi, Walter V. V. Greenhouse | 1986-11-04 |