Granted Patent
Utility
US 4,983,393 · App. 07/257,156
Intra-vaginal device and method for sustained drug release
Inventors:
Robert S. Cohen, James Pierce, William Kinsey
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Oct 14, 1988
Inventors
Robert S. Cohen
James Pierce
William Kinsey
Assignee (at issue)
Maxi-Med, LLC
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.