Granted Patent
Utility
US 4,788,612 · App. 07/076,441
Extended metal in gap head
Inventor:
Craig Perlov
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Jul 22, 1987
Inventor
Craig Perlov
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.