Granted Patent
Utility
US 5,560,608 · App. 08/454,942
Scratch-off game card including ink for making markings thereon and method of making the same
Inventor:
Stanford Silverschotz
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: May 31, 1995
Inventor
Stanford Silverschotz
Assignee (at issue)
Webcraft Technologies, 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.