Granted Patent
Utility
US 5,584,850 · App. 08/451,022
Trocar having an anti-inversion seal
Inventors:
Charles C. Hart, Vincent C. Tangherlini
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: May 25, 1995
Inventors
Charles C. Hart
Vincent C. Tangherlini
Assignee (at issue)
Applied Medical Resources 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.