Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290923 | Stack emission control system for removing organic pollutants from air | Joseph S. Sollers, Walter V. V. Greenhouse, George Tolen | 2001-09-18 |
| 5552449 | Polyurethane foam based on combination of polyester resin and polyether polyol | Joseph S. Sollers, Walter V. V. Greenhouse, George Tolen | 1996-09-03 |
| 4621106 | Polyester polyurethane foams having antistatic properties | Walter V. V. Greenhouse, Joseph S. Sollers | 1986-11-04 |
| 4458034 | Flame retardant, char-forming, flexible polyurethane foams | Mark Wajer | 1984-07-03 |
| 4438220 | Polyurethane foam-filled foam resistant to combustion and method of producing same | Walter V. V. Greenhouse, Michael S. Buchanan | 1984-03-20 |
| 4438221 | Polyurethane foam-filled foams and method of producing same | Walter V. V. Greenhouse, Michael S. Buchanan | 1984-03-20 |
| 4385131 | Polyurethane foam resistant to smoldering combustion containing either urea or melamine | Walter V. V. Greenhouse, Michael S. Buchanan | 1983-05-24 |