Granted Patent
Utility
US 5,632,967 · App. 08/531,186
Process for the high pressure degassing of hydrogen sulfide from liquid sulfur
Inventor:
Elmo Nasato
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Sep 19, 1995
Inventor
Elmo Nasato
Assignee (at issue)
Goar, Allison & Associates, 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.