Bowling score projector
United States Patent 2381260

Inventors:
Coker, John B.
Publication Date:
08/07/1945
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Assignee:
BRUNSWICK BALKE COLLENDER CO
Primary Class:
353/45
Other Classes:
353/DIG.003, 353/99
International Classes:
A63D5/04; G03B21/00; A63D5/00