Granted Patent
Utility
US 6,790,456 · App. 10/222,819
Injectable and swellable microspheres for dermal augmentation
Inventors:
Jean-Marie Vogel, Egisto Boschetti
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Aug 19, 2002
Inventors
Jean-Marie Vogel
Egisto Boschetti
Assignee (at issue)
Biosphere Medical, 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.