Granted Patent
Utility
US 5,876,644 · App. 08/703,491
Food quality polyester recycling
Inventors:
Carl Steven Nichols, Tony Clifford Moore
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Aug 27, 1996
Inventors
Carl Steven Nichols
Tony Clifford Moore
Assignee (at issue)
Wellman 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.