Granted Patent
Utility
US 4,814,852 · App. 07/129,505
Controlled voltage drop diode
Inventor:
Ray D. Sundstrom
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Dec 7, 1987
Inventor
Ray D. Sundstrom
Assignee (at issue)
Motorola, 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.