Granted Patent
Utility
US 5,285,944 · App. 07/622,943
Surgical stapler apparatus
Inventors:
David T. Green, Henry Bolanos, Keith Ratcliff
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Dec 6, 1990
Inventors
David T. Green
Henry Bolanos
Keith Ratcliff
Assignee (at issue)
United States Surgical 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.