Granted Patent
Utility
US 4,780,779 · App. 07/122,972
Laminated sendust metal-in-gap video head
Inventors:
Raghavan K. Pisharody, Robert H. Ohe
Patented Case
View Patent ↗
Granted: Oct 25, 1988
Filed: Nov 19, 1987
Inventors
Raghavan K. Pisharody
Robert H. Ohe
Assignee (at issue)
Ampex Corporation
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.