Granted Patent
Utility
US 4,756,533 · App. 06/946,473
Multiple jig-saw puzzle promotional lottery game and method of playing same
Inventors:
James E. Hopkins, William Newbauer, Jr.
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Dec 24, 1986
Inventors
James E. Hopkins
William Newbauer, Jr.
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.