Zulaski; John A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zulaski; John A..The latest application filed is for "fault detection method and apparatus".
- Zulaski; John A. - Mt. Prospect IL
- Zulaski; John A. - Mount Prospect IL
| Patent | Date |
|---|---|
| Fault detection method and apparatus Grant 5,303,112 - Zulaski , et al. April 12, 1 | 1994-04-12 |
| Arrangement and method for accurately sensing voltage of a high-impedance source and supplying power to a variable burden Grant 5,220,495 - Zulaski June 15, 1 | 1993-06-15 |
| Device for detecting unbalanced conditions in a polyphase equipment bank Grant 4,104,687 - Zulaski August 1, 1 | 1978-08-01 |
| Voltage sensing device for use at high voltage Grant 4,002,976 - Zulaski January 11, 1 | 1977-01-11 |
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