Granted Patent
Utility
US 4,922,926 · App. 07/255,545
Arrangement for delivering medications in an implantable medical device
Inventors:
Jakub Hirschberg, Lars Botvidsson, Ulf Fahlstroem
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Oct 11, 1988
Inventors
Jakub Hirschberg
Lars Botvidsson
Ulf Fahlstroem
Assignee (at issue)
Siemens Aktiengesellschaft
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.