Granted Patent
Utility
US 4,760,131 · App. 06/877,266
Wound-healing composition
Inventors:
John Sundsmo, George Ksander, John M. McPherson
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Jun 23, 1986
Inventors
John Sundsmo
George Ksander
John M. McPherson
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.