Granted Patent
Utility
US 6,067,720 · App. 09/152,337
Method for determining a torsional structure in the surface roughness of a finished shaft journal
Inventors:
Robert Heilbronner, Norbert Rau, Michael Seibold
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Sep 14, 1998
Inventors
Robert Heilbronner
Norbert Rau
Michael Seibold
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.