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US2355714A
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Apparatus for making filters
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US2337575A
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Apparatus for making filters and the like
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US2349469A
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Filter
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US2363107A
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Expandible plastic mold
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US2305433A
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Method and apparatus for molding articles of thermoplastic, thermosetting, or resinous materials
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US2321756A
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Apparatus for drying accreted fibrous articles
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US2298980A
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Filter and method of producing same
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US2395301A
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Method of making filter members
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US2337574A
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Filter and method for making the same
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US2222003A
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Means for producing articles of fibrous composition
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US2187918A
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Drying die for fibrous articles
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US2112384A
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Method of making hats
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US2112383A
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Hat
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US2112808A
|
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Adjustable sweat band for hats
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US2066493A
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Detachable sweat band
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US2089746A
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Heat transfer die
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US2136473A
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Hat
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US2074568A
|
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Adjustable sweat band
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US2093167A
|
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Forming die means
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US2033855A
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Shaped fibrous sheet articles and method of producing the same
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