Granted Patent
Utility
US 6,713,168 · App. 09/904,126
Fire retardant wood composite materials
Inventors:
Feipeng Liu, Nian Ou
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Jul 12, 2001
Inventors
Feipeng Liu
Nian Ou
Assignee (at issue)
J.M. Huber Corporation
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.