IP Library › Granted Patent US 4,701,200
Granted Patent Utility
US 4,701,200 · App. 06/911,220

Process to produce helium gas

Inventors: Theodore F. Fisher, Thomas C. Hanson, Joseph Alfred Weber
Patented Case View Patent ↗
Granted: Oct 20, 1987 Filed: Sep 24, 1986
Inventors
Theodore F. Fisher
Thomas C. Hanson
Joseph Alfred Weber
Assignee (at issue)
Union Carbide Corporation

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Quick Facts
Patent No.
US 4,701,200
App. No.
06/911,220
Filed
1986-09-24
Granted
1987-10-20
Kind
A