Granted Patent
Utility
US 5,940,438 · App. 08/801,748
Universal modem for digital video, audio and data communications
Inventors:
Tommy C. Poon, Jay Bao, Yoshiki Mizutani, Hiroyuki Nakayama
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Feb 18, 1997
Inventors
Tommy C. Poon
Jay Bao
Yoshiki Mizutani
Hiroyuki Nakayama
Assignee (at issue)
Mitsubishi Electric Information Technology Center America, Inc. (ITA)
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.