Granted Patent
Utility
US 5,392,790 · App. 08/056,256
Instrument for obtaining bore type tissue sampling
Inventors:
Rowland W. Kanner, Richard M. Davis
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Apr 30, 1993
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.