Granted Patent
Utility
US 5,376,340 · App. 08/047,798
Regenerative thermal oxidizer
Inventors:
Craig E. Bayer, William G. Heard
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Apr 15, 1993
Inventors
Craig E. Bayer
William G. Heard
Assignee (at issue)
ABB Air Preheater 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.