Granted Patent
Utility
US 5,506,152 · App. 08/299,717
Method of making silicon controlled rectifier with a variable base-shunt resistance
Inventor:
David Whitney
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Sep 1, 1994
Inventor
David Whitney
Assignee (at issue)
Siemens Components, 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.