Granted Patent
Utility
US 5,540,658 · App. 08/266,036
Transcervical uterine access and sealing device
Inventors:
Michael A. Evans, William Dubrul, Hen Lao
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Jun 27, 1994
Inventors
Michael A. Evans
William Dubrul
Hen Lao
Assignee (at issue)
Innerdyne, 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.