Granted Patent
Utility
US 6,614,202 · App. 09/934,950
PWM motor drive apparatus with increase of low speed capability
Inventor:
Jonathan Sidney Edelson
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Aug 21, 2001
Inventor
Jonathan Sidney Edelson
Assignee (at issue)
Borealis Technical Limited
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.