Granted Patent
Utility
US 5,370,757 · App. 07/753,478
Process for manufacturing substantially 100% nylon 6 carpet
Inventors:
Thomas F. Corbin, Otto M. Ilg, Robert N. Armstrong
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Aug 30, 1991
Inventors
Thomas F. Corbin
Otto M. Ilg
Robert N. Armstrong
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.