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GB1175231A
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Improvements in or relating to Lintels for Buildings.
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GB1073674A
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Improvements in metal lattice structures
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GB888798A
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Improvements in pole and like structures for the support of electric transmission lines and other purposes
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US2827315A
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Structural tubes and similar elements
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US2883216A
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End and like connections for galvanised structural tubes and similar elements
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GB761879A
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Improvements relating to end connections for galvanised structural tubes and similarelements
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US2984322A
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Pole and like structures for the support of electric transmission lines and other purposes
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GB734300A
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Improvements in pole and like structures for the support of electric transmission lines and other purposes
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GB729471A
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Improvements in pole and like structures for the support of electric transmission lines and other purposes
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GB668346A
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Improvements relating to the reproduction of patterns of holes
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GB598779A
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Improvements in or relating to work setting gauges for punching and other machine tools
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GB589375A
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Improvements in or relating to lattice-type beams, poles and the like
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CA649169A
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Pole and like structures for the support of electric transmission lines and other purposes
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CA589640A
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Tubing end connection
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CA579794A
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Skeleton structure pole
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CA580303A
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Tubing end connection
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CA793511A
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Metal lattice poles and the like
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