Granted Patent
Utility
US 6,288,131 · App. 09/191,744
Inline solid state polymerization of pet flakes for manufacturing plastic strap
Inventors:
Donald Erden, Gary L. Vadnais, Manuel C. Enriquez, Karl G. Adams, James P. Nelson
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Nov 13, 1998
Inventors
Donald Erden
Gary L. Vadnais
Manuel C. Enriquez
Karl G. Adams
James P. Nelson
Assignee (at issue)
ILLINOIS TOOL WORKS 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.