Granted Patent
Utility
US 5,856,734 · App. 08/734,352
Driving circuit of direct current brushless motor
Inventors:
Jae Sung Cho, In Jae Lee
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Oct 21, 1996
Inventors
Jae Sung Cho
In Jae Lee
Assignee (at issue)
Dongyang Mechatronics Corp.
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.