Granted Patent
Utility
US 5,891,957 · App. 08/941,497
Adhesive composition for skin adhesion and bandage applications
Inventors:
David R. Hansen, Ralf Korpman
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Sep 30, 1997
Inventors
David R. Hansen
Ralf Korpman
Assignee (at issue)
SHELL OIL COMPANY
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.