Granted Patent
Utility
US 5,992,602 · App. 08/887,442
Coin recognition and off-sorting in a coin sorter
Inventors:
Robert L. Zwieg, Thomas P. Adams, Myron W. Spoehr, Robert F. Fredrick, Jon R. Stieber, John P. Grajewski
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jul 2, 1997
Inventors
Robert L. Zwieg
Thomas P. Adams
Myron W. Spoehr
Robert F. Fredrick
Jon R. Stieber
John P. Grajewski
Assignee (at issue)
De La Rue Systems Americas Corporation
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.