Granted Patent
Utility
US 5,366,934 · App. 07/310,034
Method for sulfide surface passivation
Inventor:
Theodore J. La Chapelle, Jr.
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Feb 10, 1989
Inventor
Theodore J. La Chapelle, Jr.
Assignee (at issue)
Rockwell International 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.