Granted Patent
Utility
US 6,197,346 · App. 07/873,480
Bioadhesive microspheres and their use as drug delivery and imaging systems
Inventors:
Edith Mathiowitz, Donald E. Chickering, III, Jules Jacob
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Apr 24, 1992
Inventors
Edith Mathiowitz
Donald E. Chickering, III
Jules Jacob
Assignee (at issue)
Brown University Research Foundation
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.