Granted Patent
Utility
US 6,740,272 · App. 10/429,722
Method for hot pressing cellulosic and lignocellulosic mats
Inventors:
Xixian Deng, Yongqun Xie
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: May 6, 2003
Inventors
Xixian Deng
Yongqun Xie
Assignee (at issue)
Forintek Canada Corp.
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.