Granted Patent
Utility
US 5,474,039 · App. 08/312,606
Inlet tube for an internal combustion engine
Inventor:
Fridolf A. G. Doragrip
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Sep 27, 1994
Inventor
Fridolf A. G. Doragrip
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.