Granted Patent
Utility
US 6,050,775 · App. 09/199,455
Radial-flow exhaust-gas turbocharger turbine
Inventors:
Wolfgang Erdmann, Siegfried Sumser
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Nov 25, 1998
Inventors
Wolfgang Erdmann
Siegfried Sumser
Assignee (at issue)
Daimlerchrysler AG
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.