Granted Patent
Utility
US 5,294,359 · App. 07/829,652
Refrigerant compositions
Inventors:
Rajiv R. Singh, David P. Wilson, Earl A. E. Lund, Ian Shankland
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Feb 3, 1992
Inventors
Rajiv R. Singh
David P. Wilson
Earl A. E. Lund
Ian Shankland
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.