Granted Patent
Utility
US 4,760,837 · App. 07/016,251
Apparatus for verifying the position of needle tip within the injection reservoir of an implantable medical device
Inventor:
Michael G. Petit
Patented Case
View Patent ↗
Granted: Aug 2, 1988
Filed: Feb 19, 1987
Inventor
Michael G. Petit
Assignee (at issue)
INAMED Development Company
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.