Granted Patent
Utility
US 5,231,981 · App. 07/672,462
Display panel with pistol grip for use with anesthesia apparatus
Inventors:
Peter Schreiber, Joachim Schreiber
Patented Case
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Granted: Aug 3, 1993
Filed: Mar 20, 1991
Inventors
Peter Schreiber
Joachim Schreiber
Assignee (at issue)
NAD AG
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.