Granted Patent
Utility
US 5,001,588 · App. 07/374,419
Composite core magnetic transducer having a wedge shaped core portion
Inventor:
Gary T. Smukal
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Jun 30, 1989
Inventor
Gary T. Smukal
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.