Granted Patent
Utility
US 4,303,536 · App. 06/221,154
Nonazeotropic refrigerant composition containing monachlorodifluoromethane, and method of use
Inventors:
Sabatino R. Orfeo, Robert A. Allen, Leonard I. Stiel, John W. Pelava
Patented Case
View Patent ↗
Granted: Dec 1, 1981
Filed: Dec 29, 1980
Inventors
Sabatino R. Orfeo
Robert A. Allen
Leonard I. Stiel
John W. Pelava
Assignee (at issue)
ALLIED CONSULTING, 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.