Granted Patent
Utility
US 4,888,673 · App. 07/175,097
High voltage DC power supply
Inventor:
Thomas F. Droege
Patented Case
View Patent ↗
Granted: Dec 19, 1989
Filed: Mar 30, 1988
Inventor
Thomas F. Droege
Assignee (at issue)
Universities Research Association, 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.