Granted Patent
Utility
US 6,248,358 · App. 09/379,310
Bioadhesive progressive hydration tablets and methods of making and using the same
Inventors:
William J. Bologna, Howard L. Levine, Philippe Cartier, Dominique De Ziegler
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Aug 23, 1999
Inventors
William J. Bologna
Howard L. Levine
Philippe Cartier
Dominique De Ziegler
Assignee (at issue)
Columbia Laboratories, 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.