Granted Patent
Utility
US 6,510,455 · App. 09/388,187
Electronic mail message checking system
Inventors:
Guan-Hua Chen, Yong-Cai Bian, Cheng-Shing Lai, Jing Cao
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Sep 1, 1999
Inventors
Guan-Hua Chen
Yong-Cai Bian
Cheng-Shing Lai
Jing Cao
Assignee (at issue)
INVENTEC CORPORATION
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.