Granted Patent
Utility
US 4,123,914 · App. 05/763,503
Energy saving change of phase refrigeration system
Inventors:
Arthur Perez, Edward E. Bowman
Patented Case
View Patent ↗
Granted: Nov 7, 1978
Filed: Jan 28, 1977
Inventors
Arthur Perez
Edward E. Bowman
Assignee (at issue)
Tyler Refrigeration Corporation
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.