Granted Patent
Utility
US 5,086,492 · App. 07/265,304
Switching current regulator for motor control
Inventor:
David L. Kent
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Oct 31, 1988
Inventor
David L. Kent
Assignee (at issue)
Motorola, 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.