Granted Patent
Utility
US 4,446,513 · App. 06/359,712
DC/AC Bridge inverter including a switching aid and inductive energy recovery circuit
Inventor:
Daniel Clenet
Patented Case
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Granted: May 1, 1984
Filed: Feb 9, 1982
Inventor
Daniel Clenet
Assignee (at issue)
La Telemecanique Electric
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.