Granted Patent
Utility
US 6,652,268 · App. 10/356,288
Burner assembly
Inventors:
Bruce C. Irwin, Russell W. Fountain, Malcolm L. Swanson, Joseph Unjakoti, Michael Swanson
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jan 31, 2003
Inventors
Bruce C. Irwin
Russell W. Fountain
Malcolm L. Swanson
Joseph Unjakoti
Michael Swanson
Assignee (at issue)
ASTEC CO., Ltd.
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.