Granted Patent
Utility
US 5,236,702 · App. 07/462,963
Composition and method for blood coagulation on hard body tissues
Inventors:
Wolfgang Ritter, Wolfgang Pittermann
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Jan 4, 1990
Inventors
Wolfgang Ritter
Wolfgang Pittermann
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.