Granted Patent
Utility
US 6,694,957 · App. 10/243,272
Multi-orifice nozzle air evacuator assembly for a ventilation system of a diesel engine
Inventors:
Joshua D. Schueler, Gary R. Svihla
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Sep 13, 2002
Inventors
Joshua D. Schueler
Gary R. Svihla
Assignee (at issue)
General Motors LLC
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.