Granted Patent
Utility
US 5,542,918 · App. 08/369,232
Vacuum driven fluid pump for an aspiration/irrigation instrument
Inventor:
Robert W. Atkinson
Patented Case
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Granted: Aug 6, 1996
Filed: Jan 6, 1995
Inventor
Robert W. Atkinson
Assignee (at issue)
Zimmer, Inc.
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.