Prahl; Herman
Patent Applications and Registrations
Patent applications and USPTO patent grants for Prahl; Herman.The latest application filed is for "cylinder lock assembly".
- Prahl; Herman - Woodside NY
| Patent | Date |
|---|---|
| Cylinder lock assembly Grant 3,899,907 - Prahl August 19, 1 | 1975-08-19 |
| Locking Mechanism Having Key Operation On Two Sides Grant 3,759,074 - Prahl September 18, 1 | 1973-09-18 |
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