Granted Patent
Utility
US 5,164,839 · App. 07/775,182
Method for handling audio/video source information
Inventor:
Richard A. Lang
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Oct 11, 1991
Inventor
Richard A. Lang
Assignee (at issue)
Explore Technology, 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.