Granted Patent
Utility
US 4,860,009 · App. 07/155,226
Bidirectional multiframe converter for data communications systems
Inventor:
Dorian LaRowe
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Feb 12, 1988
Inventor
Dorian LaRowe
Assignee (at issue)
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.