Granted Patent
Utility
US 5,735,535 · App. 08/740,477
Powered high speed rotary surgical handpiece chuck and tools
Inventors:
Daniel L. McCombs, James G. Walen
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Oct 30, 1996
Inventors
Daniel L. McCombs
James G. Walen
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.