Granted Patent
Utility
US 5,269,321 · App. 07/913,245
Retrievable pessary
Inventors:
Ishbel A. MacDonald, Andrew G. Muddle, Lindesay R. MacFarlane
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Jul 14, 1992
Inventors
Ishbel A. MacDonald
Andrew G. Muddle
Lindesay R. MacFarlane
Assignee (at issue)
CONTROLLED THERAPEUTICS (SCOTLAND) LIMITED
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.