Granted Patent
Utility
US 5,705,066 · App. 08/558,215
Apparatus for opening a vessel
Inventors:
Dennis M. Treu, Donald C. Walker
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Apr 16, 1996
Inventors
Dennis M. Treu
Donald C. Walker
Assignee (at issue)
AKsys GmbH
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.