Granted Patent
Utility
US 5,771,712 · App. 08/696,114
Hydrocarbon gas processing
Inventors:
Roy E. Campbell, John D. Wilkinson, Hank M. Hudson
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Aug 13, 1996
Inventors
Roy E. Campbell
John D. Wilkinson
Hank M. Hudson
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.