Granted Patent
Utility
US 5,512,367 · App. 08/481,786
Mixed cross-section carpet yarn
Inventors:
Gerry A. Hagen, Wei Li
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Jun 7, 1995
Inventors
Gerry A. Hagen
Wei Li
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.