Hubbard; Harold C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hubbard; Harold C..The latest application filed is for "remote control circuit for electric trailer brakes".
- Hubbard; Harold C. - Lansing MI
| Patent | Date |
|---|---|
| Remote control circuit for electric trailer brakes Grant 4,076,327 - Hubbard February 28, 1 | 1978-02-28 |
| Transducer device for electrically operated brakes Grant 3,882,442 - Hubbard May 6, 1 | 1975-05-06 |
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