Granted Patent
Utility
US 4,433,345 · App. 06/275,257
Video image recording methods and devices
Inventors:
David H. Haddick, George E. Lyon, David A. Menzimer
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Jun 19, 1981
Inventors
David H. Haddick
George E. Lyon
David A. Menzimer
Assignee (at issue)
LogE/Dunn Instruments, 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.