Granted Patent
Utility
US 5,223,317 · App. 07/814,136
Texture carpets and rugs made from fiber blends
Inventors:
James A. Corbin, Allen J. Hopkins, Michael C. Whited
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Dec 30, 1991
Inventors
James A. Corbin
Allen J. Hopkins
Michael C. Whited
Assignee (at issue)
Hoechst Celanese Corporation
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.