Granted Patent
Utility
US 6,729,461 · App. 09/945,888
Methods and apparatus for detection of coin denomination and other parameters
Inventors:
Daniel Brandle, Klaus-Robert Muller, Robert L. Zwieg, Thomas P. Adams, John P. Grajewski
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Sep 4, 2001
Inventors
Daniel Brandle
Klaus-Robert Muller
Robert L. Zwieg
Thomas P. Adams
John P. Grajewski
Assignee (at issue)
De La Rue Cash Systems Inc.
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.