Granted Patent
Utility
US 5,643,213 · App. 08/388,382
Elastomeric syringe actuation device
Inventor:
Charles J. McPhee
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Feb 14, 1995
Inventor
Charles J. McPhee
Assignee (at issue)
I-Flow 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.