Granted Patent
Utility
US 4,301,415 · App. 06/117,325
Programmable multiple phase AC power supply
Inventor:
Dennis G. McFayden
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Jan 28, 1980
Inventor
Dennis G. McFayden
Assignee (at issue)
Norlin Industries, Inc.
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.