Granted Patent
Utility
US 6,820,511 · App. 10/412,717
Apparatus for measuring rotational angles
Inventors:
Reinhold Mutschler, Juergen Schill
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 11, 2003
Inventors
Reinhold Mutschler
Juergen Schill
Assignee (at issue)
Stegmann GmbH & Co. KG
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.