Granted Patent
Utility
US 4,853,345 · App. 07/234,761
Process for manufacture of a vertical DMOS transistor
Inventor:
James M. Himelick
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Aug 22, 1988
Inventor
James M. Himelick
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
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.