Granted Patent
Utility
US 4,786,439 · App. 07/136,469
Textile treatment composition
Inventors:
Uwe Ploog, Gunter Uphues, Peter Waltenberger, Rudolf Veitenhansl
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Dec 22, 1987
Inventors
Uwe Ploog
Gunter Uphues
Peter Waltenberger
Rudolf Veitenhansl
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.