Granted Patent
Utility
US 5,198,702 · App. 07/657,208
Control and safety system for electrically operated devices
Inventors:
Timothy J. McCullough, Giorgio Grasselli
Patented Case
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Granted: Mar 30, 1993
Filed: Feb 19, 1991
Inventors
Timothy J. McCullough
Giorgio Grasselli
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.