Roppel; Alfred
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roppel; Alfred.The latest application filed is for "adjustable shutter for motion picture cameras".
- Roppel; Alfred - Munich DT
- Roppel; Alfred - Munchen DT
| Patent | Date |
|---|---|
| Motion Picture Camera Grant 3,602,586 - Bartl , et al. August 31, 1 | 1971-08-31 |
| Adjustable Shutter For Motion Picture Cameras Grant 3,602,585 - Steibl , et al. August 31, 1 | 1971-08-31 |
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