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US1642854A
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Method of making castle nuts
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US1636956A
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Process of making nut blanks
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US1636955A
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Process for making nut blanks
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US1210928A
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Utilization of scrap metal in the manufacture of washers.
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US1255408A
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Door-holder.
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US1221528A
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Door-holder.
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US1191891A
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Door-check.
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US1053127A
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Process of constructing concrete floors and ceilings.
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US1090843A
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Process for making metal fabric.
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US1120928A
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Reinforcement for concrete.
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US766181A
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Metal slitting and stretching machine.
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US766180A
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Bar slitting and stretching machine.
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US719580A
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Construction of walls and partitions.
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US631366A
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Metallic sheet.
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CA23427A
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Process of making metallic screening material
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CA23158A
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Slashed metallic screening
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CA287609A
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Nut blank
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