Granted Patent
Utility
US 4,530,216 · App. 06/493,668
Refrigeration system, control device therefor and methods of making the same
Inventor:
Roger P. Sepso
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: May 11, 1983
Inventor
Roger P. Sepso
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.