Granted Patent
Utility
US 6,593,384 · App. 09/732,366
Polymer foam processing with low blowing agent levels
Inventors:
Jere R. Anderson, Kelvin T. Okamoto, Kent Blizard
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Dec 7, 2000
Inventors
Jere R. Anderson
Kelvin T. Okamoto
Kent Blizard
Assignee (at issue)
Trexel, 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.