Trinkwalder, Jr.; Joseph C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Trinkwalder, Jr.; Joseph C..The latest application filed is for "valve assembly".
- Trinkwalder, Jr.; Joseph C. - North Tonawanda NY
| Patent | Date |
|---|---|
| Valve assembly Grant 4,462,417 - Trinkwalder, Jr. July 31, 1 | 1984-07-31 |
| Pressure-retaining valve and method of retaining pressure Grant 4,372,343 - Trinkwalder, Jr. February 8, 1 | 1983-02-08 |
| Magnetically-operated valve Grant 4,360,038 - Trinkwalder, Jr. November 23, 1 | 1982-11-23 |
| Heat reclaimer for demand regulator Grant 4,356,820 - Trinkwalder, Jr. November 2, 1 | 1982-11-02 |
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