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US804598A
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Girder.
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GB190416225A
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Improvements in Railway Waggons and like Vehicles.
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GB190411382A
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Improvements in Girders or Beams.
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GB190411407A
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Improvements in Tanks.
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GB190119984A
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Machinery or Apparatus for Bending or Crimping the Sides of Dovetail Edged Plates to be Used in the Manufacture of Certain Rivetless Pipes.
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GB190119985A
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A New or Improved Method of Securing Joint Rings or Sleeves to Metal Pipes, and Machinery or Apparatus for Use in connection therewith.
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US668330A
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Pipe-making machine.
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US668331A
|
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Pipe-making machine.
|
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GB190008341A
|
|
Improvements in Machinery or Apparatus for forming Dovetail Edges on Plates to be used in the Manufacture of Rivetless Pipes.
|
|
GB190008343A
|
|
Improvements in Machinery or Apparatus for Closing the Locking Bar or Bars used in the Construction of certain kinds of Rivetless Pipes.
|
|
GB190008342A
|
|
Improvements in Machinery or Apparatus for Forming Dovetail Edges on Plates to be used in the Manufacture of Rivetless Pipes.
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