Granted Patent
Utility
US 6,148,743 · App. 08/641,021
Air nozzle for a furnace
Inventor:
Joel Vatsky
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Apr 29, 1996
Inventor
Joel Vatsky
Assignee (at issue)
Foster Wheeler Corporation
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.