Granted Patent
Utility
US 5,921,967 · App. 08/773,660
Plunger for nozzle assembly
Inventors:
Peter L. Sadowski, David R. Schiff, Walter Stoeckmann, Paul Mulhauser
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Dec 24, 1996
Inventors
Peter L. Sadowski
David R. Schiff
Walter Stoeckmann
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.