Granted Patent
Utility
US 5,251,236 · App. 07/681,136
Fractional rate modem with trellis
Inventors:
Linda S. Brehmer, Keith A. Souders
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Apr 5, 1991
Inventors
Linda S. Brehmer
Keith A. Souders
Assignee (at issue)
AT&T Paradyne Corporation
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.