Granted Patent
Utility
US 5,256,317 · App. 07/908,646
Compositions for the treatment of leather and furs
Inventor:
Alain Lauton
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Jul 2, 1992
Inventor
Alain Lauton
Assignee (at issue)
Ciba-Geigy
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.