Granted Patent
Utility
US 6,728,552 · App. 09/978,443
Mobile telecommunications terminals
Inventor:
David Chatain
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Oct 15, 2001
Inventor
David Chatain
Assignee (at issue)
Sagem SA
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.