Granted Patent
Utility
US 5,426,061 · App. 08/301,559
Impurity gettering in semiconductors
Inventor:
Bhushan L. Sopori
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Sep 6, 1994
Inventor
Bhushan L. Sopori
Assignee (at issue)
Midwest Research Institute, 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.