Granted Patent
Utility
US 5,630,896 · App. 08/465,804
Method of making recyclable tufted carpets
Inventors:
James A. Corbin, Robert D. Johnson, William G. Neely, Ian S. Slack, Barrie L. Davies
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Jun 6, 1995
Inventors
James A. Corbin
Robert D. Johnson
William G. Neely
Ian S. Slack
Barrie L. Davies
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.