Granted Patent
Utility
US 6,040,646 · App. 09/235,433
Plug for changing an operating condition of an electric motor
Inventor:
Richard E. Peters
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jan 22, 1999
Inventor
Richard E. Peters
Assignee (at issue)
A. O. Smith 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.