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US2989940A
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Gluing apparatus
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US2924312A
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Punch and die assembly for making interlocking integral fasteners
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US2983326A
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Scale
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US2811880A
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Adjustable dies for uniting materials
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US2821876A
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Die for uniting materials
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US2688890A
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Method of uniting superimposed metal sheets
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US2622716A
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Panel support apparatus
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US2626687A
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Cleft fastener for uniting materials and method of forming the same
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US2513699A
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Paper roll holder and method of making same
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US2619855A
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Material uniting punch and die
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US2288308A
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Punch and die
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US2281866A
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Ratchet mechanism
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US2254558A
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Fastening element and method of making same
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US1200679A
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Quick-action micrometer.
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CA520188A
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Cleft fastener for uniting materials and method of forming the same
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CA513875A
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Method of uniting superimposed metal sheets
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