Revoir; William H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Revoir; William H..The latest application filed is for "disposable respiratory mask".
- Revoir; William H. - Barrington RI
- Revoir; William H. - West Hartford CT
| Patent | Date |
|---|---|
| Disposable respiratory mask Grant D249,072 - Revoir August 22, 1 | 1978-08-22 |
| Adsorbents For Removal Of Mercury Vapor From Air Or Gas Grant 3,662,523 - Revoir , et al. May 16, 1 | 1972-05-16 |
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