Granted Patent
Utility
US 5,573,395 · App. 08/383,580
Premixing burner
Inventors:
Rolf Althaus, Yau-Pin Chyou
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Feb 3, 1995
Inventors
Rolf Althaus
Yau-Pin Chyou
Assignee (at issue)
ABB Management AG
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.