Chiffert; Alain
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chiffert; Alain.The latest application filed is for "electrical device for measuring electrical parameters".
- Chiffert; Alain - Massy FR
- Chiffert; Alain - Poitiers FR
- Chiffert; Alain - Jouy-en-Josas FR
| Patent | Date |
|---|---|
| Electrical device for measuring electrical parameters Grant 5,264,786 - Clarke , et al. November 23, 1 | 1993-11-23 |
| Electronic meter for measuring active and reactive energies in a three-phase network Grant 4,595,988 - Chiffert , et al. June 17, 1 | 1986-06-17 |
| Apparatus For Detecting Saturation Periods Of A Transformer Grant 3,678,377 - Chiffert July 18, 1 | 1972-07-18 |
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