Granted Patent
Utility
US 6,109,026 · App. 08/981,717
Muffler with catalytic converter
Inventors:
Egon Karlsson, Ulf Svensson
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Dec 19, 1997
Inventors
Egon Karlsson
Ulf Svensson
Assignee (at issue)
Aktiebolaget Electrolux
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.