Granted Patent
Utility
US 4,482,004 · App. 05/849,987
Waste heat boiler
Inventor:
George M. Grover
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Nov 9, 1977
Inventor
George M. Grover
Assignee (at issue)
Q-Dot, 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.