Granted Patent
Utility
US 5,137,010 · App. 07/745,204
Combustion grate for pellet fueled stove
Inventors:
Oliver J. Whitfield, Phillip W. Robertson, Craig G. Wright
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: Aug 14, 1991
Inventors
Oliver J. Whitfield
Phillip W. Robertson
Craig G. Wright
Assignee (at issue)
Pyro Industries, Inc.
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.