Granted Patent
Utility
US 4,409,773 · App. 06/253,917
Coin wrapping machine
Inventors:
Charles T. Bergman, Robert L. Zwieg
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Apr 14, 1981
Inventors
Charles T. Bergman
Robert L. Zwieg
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.