Granted Patent
Utility
US 6,222,285 · App. 09/391,283
Intelligent switch control circuit
Inventors:
Edward M. Haley, James M. Robitaille, Robert L. Crevling, Jr., Mark E. Baer
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Sep 7, 1999
Inventors
Edward M. Haley
James M. Robitaille
Robert L. Crevling, Jr.
Mark E. Baer
Assignee (at issue)
SHOP VAC 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.