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Patent applications and USPTO patent grants for Mackenzie; Raymond Warren.The latest application filed is for "plug-in multifunction tester for ac electrical distribution system".
Patent | Date |
---|---|
Plug-in multifunction tester for AC electrical distribution system Grant 6,072,317 - Mackenzie June 6, 2 | 2000-06-06 |
Test circuit for verifying operation of an arc fault detector Grant 5,969,920 - Mackenzie October 19, 1 | 1999-10-19 |
Arc fault detector with limiting of sensed signal to shape response characteristic and circuit breaker incoprorating same Grant 5,815,352 - Mackenzie September 29, 1 | 1998-09-29 |
Arcing fault detector with multiple channel sensing and circuit breaker incorporating same Grant 5,805,397 - MacKenzie September 8, 1 | 1998-09-08 |
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