Granted Patent
Utility
US 6,320,339 · App. 09/659,802
Control device for controlling current passing through a motor
Inventors:
Rick Lin, Sheng-Lin Chiu
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Sep 12, 2000
Inventors
Rick Lin
Sheng-Lin Chiu
Assignee (at issue)
Universal Scientific Industrial Co., Ltd.
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.