Granted Patent
Utility
US 6,834,992 · App. 10/657,460
Acoustic pyrometer
Inventors:
Dean Draxton, James G. Droppo, Richard E. Hogle, George Kychakoff
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Sep 8, 2003
Inventors
Dean Draxton
James G. Droppo
Richard E. Hogle
George Kychakoff
Assignee (at issue)
Combustion Specialists, 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.