Granted Patent
Utility
US 5,855,981 · App. 08/826,431
Process of recycling waste polymeric material and an article utilizing the same
Inventors:
Stephen A. Zegler, Paul L. Weinle
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Mar 18, 1997
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.