Granted Patent
Utility
US 4,914,312 · App. 07/309,755
Pulsed power supply for determining breakdown voltage
Inventors:
Hideo Akama, Norio Sone, Masaharu Goto
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Feb 10, 1989
Inventors
Hideo Akama
Norio Sone
Masaharu Goto
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.