Granted Patent
Utility
US 4,553,400 · App. 06/607,283
Refrigeration monitor and alarm system
Inventor:
Michael A. Branz
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: May 4, 1984
Inventor
Michael A. Branz
Assignee (at issue)
KYSOR INDUSTRIAL 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.