Granted Patent
Utility
US 4,633,672 · App. 06/702,965
Unequal compressor refrigeration control system
Inventors:
Jake Persem, Mike Quinn, Walter C. Emery, Philip E. Bracht
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Feb 19, 1985
Inventors
Jake Persem
Mike Quinn
Walter C. Emery
Philip E. Bracht
Assignee (at issue)
Margaux Controls, 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.