Granted Patent
Utility
US 4,490,111 · App. 06/556,893
Apparatus for making stacked high voltage rectifiers
Inventor:
John Yakura
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Dec 1, 1983
Inventor
John Yakura
Assignee (at issue)
California Linear Circuits, 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.