Granted Patent
Utility
US 6,480,581 · App. 09/338,013
Internet/telephone adapter device and method
Inventors:
Muh Wu, Shun-Ho Chung, Chia-Chen Yu, Kuo-Yu Chuang, I-Fang Wu
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Jun 22, 1999
Inventors
Muh Wu
Shun-Ho Chung
Chia-Chen Yu
Kuo-Yu Chuang
I-Fang Wu
Assignee (at issue)
INSTITUTE FOR INFORMATION INDUSTRY
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.