Granted Patent
Utility
US 5,877,461 · App. 08/894,851
Muffler
Inventors:
Egon Karlsson, Kent Ludvigsson, Stefan Stark
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Aug 11, 1997
Inventors
Egon Karlsson
Kent Ludvigsson
Stefan Stark
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.