Granted Patent
Utility
US 6,728,349 · App. 10/410,763
Method for notifying and reminding phone users of missed calls
Inventors:
Jen-Chun Chang, Huang-Fu Teng
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Apr 10, 2003
Inventors
Jen-Chun Chang
Huang-Fu Teng
Assignee (at issue)
BenQ 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.