Granted Patent
Utility
US 5,067,965 · App. 07/496,234
Bio-osmotic gel for implant prostheses
Inventors:
Robert A. Ersek, Arthur A. Beisang, Arthur A. Beisang
Patented Case
View Patent ↗
Granted: Nov 26, 1991
Filed: Mar 20, 1990
Inventors
Robert A. Ersek
Arthur A. Beisang
Arthur A. Beisang
Assignee (at issue)
Bioplasty, 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.