Granted Patent
Utility
US 6,348,122 · App. 09/004,374
Fire retarding polypropylene composition
Inventor:
Jerry Wagner
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Jan 8, 1998
Inventor
Jerry Wagner
Assignee (at issue)
Compression Polymers Group
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.