Granted Patent
Utility
US 5,315,641 · App. 07/959,920
Public switched telephone network access to public data network
Inventors:
Robert H. Montgomery, Jr., Lawrence A. Delss
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Oct 14, 1992
Inventors
Robert H. Montgomery, Jr.
Lawrence A. Delss
Assignee (at issue)
Bell Atlantic Network Services
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.