Ou; Sam A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ou; Sam A..The latest application filed is for "rupturable fluid pressure relief apparatus and manufacturing method".
- Ou; Sam A. - Stanton CA
- Ou; Sam A. - Bixby OK
- Ou; Sam A. - St. Louis MO
| Patent | Date |
|---|---|
| Rupturable fluid pressure relief apparatus and manufacturing method Grant 4,795,051 - Ou January 3, 1 | 1989-01-03 |
| Rupturable low pressure relief apparatus Grant 4,434,905 - Ou , et al. March 6, 1 | 1984-03-06 |
| Rupturable pressure relief apparatus Grant 4,404,982 - Ou September 20, 1 | 1983-09-20 |
| Four way reversing valve Grant 4,255,939 - Ou March 17, 1 | 1981-03-17 |
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