Greenhouse; Walter V. V.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Greenhouse; Walter V. V..The latest application filed is for "polyurethane foam based on combination of polyester resin and polyether polyol".
- Greenhouse; Walter V. V. - Baltimore MD
| Patent | Date |
|---|---|
| Polyurethane foam based on combination of polyester resin and polyether polyol Grant 5,552,449 - Sollers , et al. September 3, 1 | 1996-09-03 |
| Polyurethane foams containing organofunctional silanes Grant 4,839,393 - Buchanan , et al. June 13, 1 | 1989-06-13 |
| Polyester polyurethane foams having antistatic properties Grant 4,621,106 - Fracalossi , et al. November 4, 1 | 1986-11-04 |
| Polyurethane foam-filled foams and method of producing same Grant 4,438,221 - Fracalossi , et al. * March 20, 1 | 1984-03-20 |
| Polyurethane foam resistant to smoldering combustion containing either urea or melamine Grant 4,385,131 - Fracalossi , et al. May 24, 1 | 1983-05-24 |
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