GB880009A
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Simulated pneumatically operated machine gun
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US2804514A
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Combination bumper and switch
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US2796812A
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Photographing apparatus
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US2661954A
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Amusement and target practicing device
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US2643884A
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Miniature bowling alley
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US2558490A
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Electrical control system for orchestral display
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US2520281A
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Recoil simulator for shooting gallery apparatus
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US2532628A
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Game apparatus
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US2565238A
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Barrier means for shuffleboards
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US2520283A
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Pivotal ball return means for pin games
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US2610059A
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Pin ball game
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US2431739A
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Magnetic sound recording
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US2532627A
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Multiple switch
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US2433224A
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Simulated basketball game apparatus
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US2513728A
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Amusement apparatus
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US2488717A
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Magnetizable wire recording system and method
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US2433207A
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Rectilinear pole piece for magnetic sound heads
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US2435880A
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Electronic control system
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US2488811A
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Electronic control device
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US2455475A
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Method of ultrasonic pulse signaling
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