Granted Patent
Utility
US 6,744,812 · App. 10/314,091
Dual mode phone line networking modem utilizing conventional telephone wiring
Inventors:
Ramakrishna Anne, Robert F. Watts
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Dec 6, 2002
Inventors
Ramakrishna Anne
Robert F. Watts
Assignee (at issue)
Hewlett-Packard Development Company, L.P.
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.