Granted Patent
Utility
US 6,754,151 · App. 09/951,328
BEMF timing system
Inventor:
Charles R. Watt
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Sep 10, 2001
Inventor
Charles R. Watt
Assignee (at issue)
DPHI Acquisitions, 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.