Granted Patent
Utility
US 6,768,561 · App. 09/445,069
Method for signal processing
Inventors:
Dieter Fangmeyer, Christian Wiechering, Bernd Lübcke
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Feb 28, 2000
Inventors
Dieter Fangmeyer
Christian Wiechering
Bernd Lübcke
Assignee (at issue)
Hell Gravure Systems GmbH
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.