Granted Patent
Utility
US 5,551,442 · App. 08/243,979
Activation arrangement with safety lock-out for tissue sampling instrument
Inventors:
Rowland W. Kanner, Richard M. Davis
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: May 17, 1994
Inventors
Rowland W. Kanner
Richard M. Davis
Assignee (at issue)
RYDER INTERNATIONAL CO., LTD.
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.