Granted Patent
Utility
US 4,724,474 · App. 06/938,216
Power bridge rectifier assembly
Inventors:
Richard J. Duchek, Alan V. Hayes, Gregory T. Laux, Francis M. Ray
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Dec 5, 1986
Inventors
Richard J. Duchek
Alan V. Hayes
Gregory T. Laux
Francis M. Ray
Assignee (at issue)
Zenith Electronics LLC
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.