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US3648661A
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Bird feeder
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US3099071A
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Tool for cutting grooves in the flanks of screws
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US3134477A
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Mechanism for delivering uniformly directed headless setscrews
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US3128483A
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Method of making a threaded stud with wrench-receiving portion
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US3076208A
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Method of making setscrew with mutilated threads
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US2927332A
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Method of making a setscrew
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US2996093A
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Setscrew having toothed shank end for engaging workpiece
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US2819625A
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Screw for tuning slug
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US2855610A
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Method of making headless screw with broached socket
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US2855609A
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Method of making slabbed locking setscrews
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US2727256A
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Method of making set screws
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US2614274A
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Method of making wing nuts
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US2115342A
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Key ring
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US2024593A
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Method of making square-head screws
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US1851127A
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Method of making pipe plugs
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