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US3290805A
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Earthworking machines
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US3132900A
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Operating mechanism for dump vehicle
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US3142197A
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Control mechanism for pivotable device
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US3016633A
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Earth working machinery
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US3033152A
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Canal towing apparatus
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US3044269A
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Mobile sea platform
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US2913223A
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Electrically powered logging arch
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US2787298A
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Heavy-duty self propelled tree saw
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US2784836A
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Self-cleaning chains and supporting sprockets
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US2761097A
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Voltage regulating system
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US2774898A
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Slip ring construction
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US2729310A
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Electromagnetic brake
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US2760095A
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Rotatable brush mounting ring
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US2762141A
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Excavating machine
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US2726553A
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Gear reduction system
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US2700574A
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Cable operated bottom gate for a hopper
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US2682717A
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Down pressure bulldozer
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US2756846A
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Adjustment for electrically controlled brake unit
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US2820928A
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Electrically controlled brake unit
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US2629791A
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Snap switch
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