Pray; Edward R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pray; Edward R..The latest application filed is for "hr foams made with reactive polyol compositions having improved stability".
- Pray; Edward R. - Dearborn MI
| Patent | Date |
|---|---|
| HR foams made with reactive polyol compositions having improved stability Grant 4,284,728 - Demou , et al. August 18, 1 | 1981-08-18 |
| High resilience flexible foamed polyurethanes, foamable mixtures and process therefor Grant 4,176,218 - Demou , et al. November 27, 1 | 1979-11-27 |
| Curing agent for use in making cellular polyurethane compositions Grant 3,948,825 - Pray April 6, 1 | 1976-04-06 |
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