Granted Patent
Utility
US 6,620,773 · App. 09/762,177
Foaming oil preparation and its use
Inventors:
Anja Stork, Otto von Stetten
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Apr 27, 2001
Inventors
Anja Stork
Otto von Stetten
Assignee (at issue)
Johnson & Johnson GmbH
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.