Granted Patent
Utility
US 5,800,388 · App. 08/609,140
Plunger/ram assembly adapted for a fluid injector
Inventors:
David R. Schiff, Paul Mulhauser
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Feb 29, 1996
Inventors
David R. Schiff
Paul Mulhauser
Assignee (at issue)
MEDI-JECT 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.