Granted Patent
Utility
US 4,713,243 · App. 06/874,904
Bioadhesive extruded film for intra-oral drug delivery and process
Inventors:
Michael T. Schiraldi, Martin M. Perl, Howard Rubin
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Jun 16, 1986
Inventors
Michael T. Schiraldi
Martin M. Perl
Howard Rubin
Assignee (at issue)
Johnson & Johnson Products, 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.