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US1659248A
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Swimming ring
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US1625395A
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Method of making hot-water bottles, douche bags, etc.
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US1668785A
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Hollow rubber toy
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US1606865A
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Method of making annular rubber tubes
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US1691253A
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Overshoe and method of making same
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US1625396A
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Method of making hot-water bottles
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US1668782A
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Method of making rubber bladders
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US1540872A
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Apparatus for making hollow rubber articles
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US1504079A
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Inflatable sheet-rubber toy
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US1625394A
|
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Method of making hollow rubber articles
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US1612652A
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Method of making rubber sandals and apparatus therefor
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US1553560A
|
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Mold for rubber articles
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US1668803A
|
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Flush-tank bulb
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US1573577A
|
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Method and apparatus for making flush-tank bulbs
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US1612651A
|
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Method of making hollow-rubber articles having whistles
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US1574015A
|
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Apparatus for forming hollow articles of plastic material
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US1625398A
|
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Method of and apparatus for making hollow rubber articles
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US1573576A
|
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Football and method of making the same
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US1649734A
|
|
Method of making inflated balls
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US1575388A
|
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Method and apparatus for making hollow rubber articles
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