Granted Patent
Utility
US 4,526,376 · App. 06/463,635
Game with cards
Inventors:
Donald A. Rosenwinkel, Jeffrey D. Breslow, John V. Zaruba
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Feb 3, 1983
Inventors
Donald A. Rosenwinkel
Jeffrey D. Breslow
John V. Zaruba
Assignee (at issue)
Marvin Glass & Associates
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.