Granted Patent
Utility
US 4,745,923 · App. 06/799,804
Protection apparatus for patient-implantable device
Inventor:
William Winstrom
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Nov 20, 1985
Inventor
William Winstrom
Assignee (at issue)
Intermedics 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.