Granted Patent
Utility
US 4,803,075 · App. 06/878,418
Injectable implant composition having improved intrudability
Inventors:
Donald G. Wallace, Hertsel Reihanian, Bruce B. Pharriss, William G. Braun
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Jun 25, 1986
Inventors
Donald G. Wallace
Hertsel Reihanian
Bruce B. Pharriss
William G. Braun
Assignee (at issue)
COLLAGEN CORPORATION
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.