Granted Patent
Utility
US 5,457,601 · App. 08/163,963
Credit card-sized modem with modular DAA
Inventors:
Thomas Georgopulos, Donald R. Laturell
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Dec 8, 1993
Inventors
Thomas Georgopulos
Donald R. Laturell
Assignee (at issue)
AT&T 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.