Granted Patent
Utility
US 6,215,261 · App. 09/316,194
Application specific integrated circuit for controlling power devices for commutating a motor based on the back emf of motor
Inventor:
Roger Carlos Becerra
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: May 21, 1999
Inventor
Roger Carlos Becerra
Assignee (at issue)
General Electric Company
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.