Granted Patent
Utility
US 5,941,852 · App. 08/457,098
Trocar assembly
Inventors:
David A. Dunlap, Douglas J. Medema, Hugh Melling, Jeffrey W. Zerfas
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Jun 1, 1995
Inventors
David A. Dunlap
Douglas J. Medema
Hugh Melling
Jeffrey W. Zerfas
Assignee (at issue)
Imagyn Medical Technologies California, Inc.
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.