Granted Patent
Utility
US 5,355,128 · App. 08/016,769
Video logging system having an optical communications link
Inventor:
Mathew B. Riordan
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Feb 11, 1993
Inventor
Mathew B. Riordan
Assignee (at issue)
Westech Geophysical, 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.