Granted Patent
Utility
US 6,245,823 · App. 08/546,025
Composition and blowing agent for making foamed polyethylene material
Inventors:
William D. McIntyre, Roderick R. Alire, Ronald N. Clazie
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Oct 20, 1995
Inventors
William D. McIntyre
Roderick R. Alire
Ronald N. Clazie
Assignee (at issue)
Free-Flow Packaging International, 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.