Granted Patent
Utility
US 4,265,241 · App. 06/015,927
Implantable infusion device
Inventors:
Peer M. Portner, Jal S. Jassawalla
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Feb 28, 1979
Inventors
Peer M. Portner
Jal S. Jassawalla
Assignee (at issue)
Andros
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.