Granted Patent
Utility
US 6,544,649 · App. 09/881,301
Method for manufacturing an improved hog fuel board using a catalyst
Inventor:
Gary Ellis Troughton
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Jun 13, 2001
Inventor
Gary Ellis Troughton
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.