Granted Patent
Utility
US 4,434,724 · App. 06/481,214
Overbed distributor for feeding dual solid fuels to a stoker furnace
Inventor:
Robert Kunkel
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Apr 1, 1983
Inventor
Robert Kunkel
Assignee (at issue)
Combustion Engineering, 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.