Rosenhagen; William
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rosenhagen; William.The latest application filed is for "decorative light flashing apparatus and acousto-electric transducer therefor".
- Rosenhagen; William - Ossining NY
| Patent | Date |
|---|---|
| Decorative light flashing apparatus and acousto-electric transducer therefor Grant 4,346,640 - Zeno , et al. August 31, 1 | 1982-08-31 |
| Multi-vehicle multi-controller radio remote control system Grant 4,334,221 - Rosenhagen , et al. June 8, 1 | 1982-06-08 |
| Toy vehicle engine sound device Grant 4,291,877 - Ensmann , et al. September 29, 1 | 1981-09-29 |
| Lottery Ticket Merchandiser Grant 3,770,089 - Verduin , et al. November 6, 1 | 1973-11-06 |
| Binary Coin Totalizer Grant 3,608,689 - Rosenhagen September 28, 1 | 1971-09-28 |
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