Henkin; Louis Lawrence
Patent Applications and Registrations
Patent applications and USPTO patent grants for Henkin; Louis Lawrence.The latest application filed is for "headphones for reproducing four-channel sound".
- Henkin; Louis Lawrence - Huntington Park CA
| Patent | Date |
|---|---|
| Headphones For Reproducing Four-channel Sound Grant 3,794,779 - Greuzerd , et al. February 26, 1 | 1974-02-26 |
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