Granted Patent
Utility
US 5,236,416 · App. 07/704,356
Syringe plunger position detection and alarm generation
Inventors:
John D. McDaniel, James Gharib
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: May 23, 1991
Inventors
John D. McDaniel
James Gharib
Assignee (at issue)
IVAC Corporation
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.