Granted Patent
Utility
US 4,979,067 · App. 07/369,024
Voltage and current limiting power supply
Inventor:
Raymond J. Foley
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Jun 20, 1989
Inventor
Raymond J. Foley
Assignee (at issue)
ILLINOIS TOOL WORKS 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.