Granted Patent
Utility
US 4,293,884 · App. 06/106,792
Multiple leg magnetic transducer structure
Inventor:
Edward Schiller
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Dec 26, 1979
Inventor
Edward Schiller
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.