Granted Patent
Utility
US 4,746,319 · App. 06/253,914
Count mechanism for coin dispensing machine
Inventors:
Robert L. Zwieg, Charles T. Bergman
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Apr 14, 1981
Inventors
Robert L. Zwieg
Charles T. Bergman
Assignee (at issue)
THE BRANDT COMPANIES, LLC
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.