Granted Patent
Utility
US 6,337,742 · App. 09/840,168
Device for ascertaining the relative position of a reference axis of an object relative to a reference beam, in particular a laser beam
Inventors:
Heinrich Lysen, Dieter Busch
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Apr 24, 2001
Inventors
Heinrich Lysen
Dieter Busch
Assignee (at issue)
PRUFTECHNIK DIETER BUSCH 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.