Granted Patent
Utility
US 4,649,450 · App. 06/680,873
Modular multichannel magnetic head assembly with accurate channel locations
Inventor:
George A. Linke
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Dec 12, 1984
Inventor
George A. Linke
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.