Granted Patent
Utility
US 5,855,859 · App. 08/739,550
Gettering agent
Inventors:
Larry W. Shive, Saeed Pirooz
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Oct 30, 1996
Inventors
Larry W. Shive
Saeed Pirooz
Assignee (at issue)
MEMC Electronic Materials, 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.