Granted Patent
Utility
US 5,380,449 · App. 07/883,058
Stabilized dichlorotrifluoroethane refrigeration compositions
Inventors:
Raymond H. Thomas, Ruth H. Chen, Kenneth Harris
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: May 8, 1992
Inventors
Raymond H. Thomas
Ruth H. Chen
Kenneth Harris
Assignee (at issue)
AlliedSignal, 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.