Granted Patent
Utility
US 6,616,136 · App. 10/063,740
Friction plate coupling structure
Inventors:
Yin-Chun Huang, Pi-Chun Chen, Ji-Mei Tsuei
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: May 9, 2002
Inventors
Yin-Chun Huang
Pi-Chun Chen
Ji-Mei Tsuei
Assignee (at issue)
Umax Data Systems, 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.