Granted Patent
Utility
US 5,085,667 · App. 07/552,178
Stain resistance of nylon carpet: cationic-dyeable nylon fibers dyed with acid dye
Inventor:
William G. Jenkins
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jul 12, 1990
Inventor
William G. Jenkins
Assignee (at issue)
Burlington Industries LLC
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.