Granted Patent
Utility
US 4,891,723 · App. 07/247,722
Multiple stage heat shielding for transducer support arm
Inventor:
Brian S. Zak
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Sep 22, 1988
Inventor
Brian S. Zak
Assignee (at issue)
Magnetic Peripherals, Inc.
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.