Granted Patent
Utility
US 5,502,294 · App. 08/516,520
Cash box with bill weights
Inventor:
John Sung Heup Yang
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Aug 17, 1995
Inventor
John Sung Heup Yang
Assignee (at issue)
Block, 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.