Granted Patent
Utility
US 5,401,554 · App. 08/171,137
Process for the manufacture of a stain resistant melt colored carpet
Inventor:
Ardy Armen
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Dec 21, 1993
Inventor
Ardy Armen
Assignee (at issue)
BASF SE
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.