Bowling pin setting machine
United States Patent 2559274

Inventors:
Broekhuysen, William C.
Publication Date:
07/03/1951
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Assignee:
AMERICAN MACH & FOUNDRY
Primary Class:
473/65
International Classes:
A63D5/08; A63D5/00
US Patent References:
2294573Infinitely varlable switch
2298718Bowling pin setting machine control mechanism
2338733Indicator means for bowling pin setting machines
2361233Deadwood sweep for automatic bowling alleys
2383017Bowling pin setting machine control mechanism
2388708Pin setting mechanism for bowling alleys