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US2225754A
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Thread protector
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US1879399A
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Indexing means for grinding milling cutters
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US1879398A
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Gauge for sizing internal threads
|
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US1745036A
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Machine for milling threads
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US1745035A
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Machine for milling threads
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US1745034A
|
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Machine for milling threads
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US1611123A
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Method of and machine for milling threads
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US1611122A
|
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Method of and machine for milling threads
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US1548731A
|
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Method and apparatus for rounding articles
|
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US1506988A
|
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Method and apparatus for rounding
|
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US1685678A
|
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Method of manufacturing pipe couplings
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US1574631A
|
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Method and apparatus for threading metal articles
|
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US1610463A
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Pipe cutting-off and rounding machine
|
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US1444630A
|
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Method of making pipe couplings
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US1548730A
|
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Method and apparatus for milling threads
|
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US982185A
|
|
Wire-fence fabric.
|
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CA121224A
|
|
Wire fencing making machine
|
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US894971A
|
|
Wire-fence machine.
|
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US877214A
|
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Sectional-stay wire fence.
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