Granted Patent
Utility
US 4,718,894 · App. 06/865,413
Manually actuated, implantable device to sequentially feed doses of a substance, in particular a therapeutant
Inventor:
Guy Lazorthes
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: May 21, 1986
Inventor
Guy Lazorthes
Assignee (at issue)
Applied Precision, 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.