Granted Patent
Utility
US 5,797,679 · App. 08/650,383
Surgical cement mixer apparatus
Inventors:
David H. Grulke, Richard F. Huyser, Eugene P. Lautenschlager, Dennis Stratton, Harry A. Wellons, III, Richard L. Wixson
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: May 17, 1996
Inventors
David H. Grulke
Richard F. Huyser
Eugene P. Lautenschlager
Dennis Stratton
Harry A. Wellons, III
Richard L. Wixson
Assignee (at issue)
STRYKER 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.