Granted Patent
Utility
US 6,067,944 · App. 09/292,722
Furnace floor
Inventors:
Jerry D. Blue, James Fleming
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Apr 15, 1999
Inventors
Jerry D. Blue
James Fleming
Assignee (at issue)
The Babcock & Wilcox Company
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.