Granted Patent
Utility
US 5,440,591 · App. 07/866,703
Switching apparatus for digital signals
Inventors:
John E. Liron, Leon J. Stanger
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Apr 10, 1992
Inventors
John E. Liron
Leon J. Stanger
Assignee (at issue)
GRASS VALLEY LIMITED
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.