Granted Patent
Utility
US 4,750,332 · App. 06/836,358
Refrigeration control system with self-adjusting defrost interval
Inventors:
Leonard W. Jenski, Raymond M. Paciorek
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Mar 5, 1986
Inventors
Leonard W. Jenski
Raymond M. Paciorek
Assignee (at issue)
Eaton 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.