Granted Patent
Utility
US 5,165,938 · App. 07/526,542
Wound healing agents derived from platelets
Inventor:
David R. Knighton
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: May 18, 1990
Inventor
David R. Knighton
Assignees (at issue)
Regents of the University of Minnesota
CreateMe Technologies 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.