Granted Patent
Utility
US 6,700,340 · App. 10/101,077
Control circuit for a coffee grinder
Inventors:
Phillip Wong, Peter J. McCurdy
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Mar 19, 2002
Inventors
Phillip Wong
Peter J. McCurdy
Assignee (at issue)
Hamilton Beach/Proctor Silex, 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.