Granted Patent
Utility
US 5,839,376 · App. 08/578,008
Stoker with universal key construction
Inventor:
Dennis N. Barlow
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Dec 22, 1995
Inventor
Dennis N. Barlow
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.