Granted Patent
Utility
US 6,196,835 · App. 09/434,448
Burner
Inventors:
Ephraim Gutmark, Christian Oliver Paschereit, Wolfgang Weisenstein
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Nov 5, 1999
Inventors
Ephraim Gutmark
Christian Oliver Paschereit
Wolfgang Weisenstein
Assignee (at issue)
ABB RESEARCH LTD.
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.