Granted Patent
Utility
US 4,636,621 · App. 06/685,775
Electrically operated appliance controls and methods of making the same
Inventor:
Gram J. McGeorge
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Dec 24, 1984
Inventor
Gram J. McGeorge
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.