Granted Patent
Utility
US 6,823,049 · App. 10/279,101
Apparatus and method in intelligent type for filtering a disturbance of incoming phone call
Inventors:
Tony Tsai, Li Yu
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Oct 24, 2002
Inventors
Tony Tsai
Li Yu
Assignee (at issue)
Inventec Appliances 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.