Granted Patent
Utility
US 5,486,213 · App. 08/080,795
Process for the dyeing of leather with dye mixtures
Inventors:
Peter Moser, Campbell Page, Alois Puntener
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jun 22, 1993
Inventors
Peter Moser
Campbell Page
Alois Puntener
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.