Granted Patent
Utility
US 5,785,012 · App. 08/454,256
Acoustically enhanced combustion method and apparatus
Inventors:
Jim Parsons, James J. Schwab, Marlin H. Anderson
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Mar 11, 1996
Inventors
Jim Parsons
James J. Schwab
Marlin H. Anderson
Assignee (at issue)
BHA Group, 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.