Granted Patent
Utility
US 4,725,739 · App. 06/917,891
AC branch power distribution filter
Inventors:
Thomas McCartney, Robert T. Thomas
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Oct 10, 1986
Inventors
Thomas McCartney
Robert T. Thomas
Assignee (at issue)
Oneac Corporation
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.