Title:
Score card
United States Patent 2673413
Inventors:
Weber, Ralph R.
Publication Date:
03/30/1954
Export Citation:
Click for automatic bibliography generation
Assignee:
Weber, Ralph R.
Primary Class:
116/225
Other Classes:
235/89R, 273/148R, 283/49, 283/66.1
International Classes:
A63D5/04; A63D5/00
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US Patent References:
2171873Calculator
1957112Bridge score indicator
1785866Chart for submitting advertising matter
1751106Educational appliance
1732983N/A
1603847Ready-reference indicator
1555190Auction-bridge-score indicator
1360726Variable statistical chart
0223569N/A