Granted Patent
Utility
US 4,296,430 · App. 06/084,395
Magnetic recording with reduced cross-talk and interchannel time displacement
Inventor:
Henry R. Warren
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Oct 12, 1979
Inventor
Henry R. Warren
Assignee (at issue)
RCA 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.