Granted Patent
Utility
US 6,724,432 · App. 09/775,512
Apparatus and method for transmitting audio over a dedicated video line
Inventor:
Samuel Nikolay Grigorian
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Feb 2, 2001
Inventor
Samuel Nikolay Grigorian
Assignee (at issue)
PELCO, 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.