Granted Patent
Utility
US 5,207,697 · App. 07/722,011
Battery powered surgical handpiece
Inventors:
Steven J. Carusillo, David H. Grulke
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Jun 27, 1991
Inventors
Steven J. Carusillo
David H. Grulke
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.