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US2086939A
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Method of repairing impaired bowling pins and article resulting therefrom
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US2086938A
|
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Method of treating surfaces of bowling alley beds, bowling pins, and the like
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US2034187A
|
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Method of and apparatus for holding and releasing bowling balls
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US1893412A
|
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Bowling alley
|
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US1899442A
|
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Bowling alley
|
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US1899441A
|
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Self-service bowling alley
|
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US1617158A
|
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Tone regulator for phonographs
|
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US1454441A
|
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Tone regulator for phonographs
|
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US1489436A
|
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Repeating mechanism for phonographs
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US1344891A
|
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Process of treating timber
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US1291879A
|
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Building unit.
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US912568A
|
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Method of roasting ores.
|
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US881580A
|
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Method of recovering copper from ore or matte by electrolysis.
|
|
US912567A
|
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Motive-power apparatus.
|
|
US878953A
|
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Motive power.
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US786123A
|
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Burner.
|
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US711311A
|
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Steam-boiler.
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US786122A
|
|
Steam motive power.
|
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US704254A
|
|
Steam-propelled vehicle.
|
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US757808A
|
|
Steam-propelled vehicle.
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