Granted Patent
Utility
US 5,464,677 · App. 08/289,163
Process for manufacturing substantially 100% nylon 6 carpet
Inventors:
Thomas F. Corbin, Otto M. Ilg, Robert N. Armstrong
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: Aug 11, 1994
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.