Granted Patent
Utility
US 4,639,274 · App. 06/676,033
Method of making precision high-value MOS capacitors
Inventor:
Surinder Krishna
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Nov 28, 1984
Inventor
Surinder Krishna
Assignee (at issue)
FAIRCHILD SEMICONDUCTOR 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.