Bignell; Allan M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bignell; Allan M..The latest application filed is for "ultra-high-speed relay".
- Bignell; Allan M. - Mississauga CA
| Patent | Date |
|---|---|
| Ultra-high-speed relay Grant 4,450,497 - Bignell May 22, 1 | 1984-05-22 |
| Protective relay apparatus and methods for protecting electrical power transmission lines Grant 4,371,907 - Bignell February 1, 1 | 1983-02-01 |
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