Granted Patent
Utility
US 4,806,523 · App. 06/836,672
Method of treating inflammation
Inventors:
Hanne Bentz, Larry R. Ellingsworth, Rosa Armstrong
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Mar 6, 1986
Inventors
Hanne Bentz
Larry R. Ellingsworth
Rosa Armstrong
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.