Granted Patent
Utility
US 5,890,378 · App. 08/052,845
Hydrocarbon gas processing
Inventors:
C. L. Rambo, John D. Wilkinson, Hank M. Hudson, Michael C. Pierce
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Mar 31, 1998
Inventors
C. L. Rambo
John D. Wilkinson
Hank M. Hudson
Michael C. Pierce
Assignee (at issue)
Elcor 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.