Granted Patent
Utility
US 4,646,320 · App. 06/744,891
Automatic digital strapping apparatus for data modems
Inventor:
Vedavalli G. Krishnan
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Jun 14, 1985
Inventor
Vedavalli G. Krishnan
Assignee (at issue)
Racal Data Communications, Inc.
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.