Granted Patent
Utility
US 5,442,934 · App. 08/226,918
Chilled gas transmission system and method
Inventor:
John R. Wolflick
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Apr 13, 1994
Inventor
John R. Wolflick
Assignee (at issue)
Atlantic Richfield Company
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.