Granted Patent
Utility
US 6,228,479 · App. 09/172,314
Process of recycling waste polymeric material and an article utilizing the same
Inventors:
Stephen A. Zegler, Paul L. Weinle
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Oct 14, 1998
Inventors
Stephen A. Zegler
Paul L. Weinle
Assignee (at issue)
Collins & Aikman Floorcoverings, Inc.
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.