Granted Patent
Utility
US 5,847,530 · App. 08/920,052
Systems and methods for torque control of actuator and brushless DC motor therein
Inventor:
Michael Hill
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Aug 28, 1997
Inventor
Michael Hill
Assignee (at issue)
Barber-Coleman 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.