Granted Patent
Utility
US 6,671,373 · App. 09/420,713
Method and apparatus for DC feed control
Inventors:
Liguang Pang, Yan Zhou
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Oct 20, 1999
Inventors
Liguang Pang
Yan Zhou
Assignee (at issue)
Legerity, 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.