Granted Patent
Utility
US 6,570,139 · App. 09/844,995
Electronic control circuit
Inventors:
William Levy, Robert Sherwood
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Apr 27, 2001
Inventors
William Levy
Robert Sherwood
Assignee (at issue)
The Holmes Group, Inc.
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.