Granted Patent
Utility
US 6,687,142 · App. 10/016,678
AC to DC inverter for use with AC synchronous motors
Inventor:
Robert J. Scott
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Dec 17, 2001
Inventor
Robert J. Scott
Assignee (at issue)
CoolIT Systems, 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.