Granted Patent
Utility
US 5,496,280 · App. 08/245,916
Trocar valve assembly
Inventors:
Frans Vandenbroek, Vincent C. Tangherlini
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: May 19, 1994
Inventors
Frans Vandenbroek
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.