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US3671115A
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Audio-video system employing sound track tape belts movably mounted on projection slides
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US3651834A
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Wire mesh making
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US3617678A
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Electrode-moving and pressure-applying mechanism of welding apparatus in automatic machinery as for making wire mesh or the like
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US3464722A
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Pipe coupling having segmented clamping means
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US3310075A
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Automatic machines for forming an intermediate zig-zag wire and welding it to outer parallel wires
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US3276650A
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Automatic devices for feeding unequal lengths of stock into a machine
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US3144054A
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Machines for making wire mesh
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US3172239A
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Spacers used on reinforcement bars in concrete construction
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US3165618A
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Electrical welding apparatus
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US2869591A
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Apparatus adapted for the bending of wire strip material and the like
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US2868237A
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Wire bending apparatus
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US2775454A
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Lifting apparatus for upright bowling pins
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US2722903A
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Machine adapted for the manufacture of shoulder pads and other articles
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