Add to ORKGPatent for a lifting-jack that has "strength with durability necessary in this class of devices and that will be simple in construction and easy of operation" (para. 2)
Patent for jacks for turning fly-wheels of engines, pulleys, etc. Includes instructions and illustra...
Patent for an "...improved lifter whereby certain important advantages are attained and the device i...
Patent for "a device of this class which shall be simple in construction, in which considerable powe...
Patent for a new and improved jack. This design "relates to devices for raising fence-corners in rep...
Patent for a simple and durable lifting jack for wagons that is easily operated and does not move th...
Patent for improvement in lifting jack. This improvement is the vertical bar is notched to prevent ...
Patent for a simple, durable, and efficient railway oil-box jack, or "hoisting jack", that is easier...
Patent for a new and improved wagon jack. This design "relates to wagon-jacks, the object being to p...
Patent for an improved track-raiser used during constructing and repairing railways. It is a jack th...
Patent for an inexpensive device that is meant to hoist, lift, or extract stumps, stones, or other h...
Patent for an invention "to combine a jack-screw or lifting-jack with a clamp, so that they may be i...
Patent for a flooring or ceiling jack that is meant to "provide a device, whereby the laying of the ...
Patent for a new and improved motor. This design "provide[s] an apparatus by means of which a series...
Patent for a new and improved wagon jack. This design consists "[i]n a wagon body raiser, the combin...
Patent for a machine that "has relation to mechanical powers designed for stump-pulling, hoisting he...
Patent for jacks for turning fly-wheels of engines, pulleys, etc. Includes instructions and illustra...
Patent for an "...improved lifter whereby certain important advantages are attained and the device i...
Patent for "a device of this class which shall be simple in construction, in which considerable powe...
Patent for a new and improved jack. This design "relates to devices for raising fence-corners in rep...
Patent for a simple and durable lifting jack for wagons that is easily operated and does not move th...
Patent for improvement in lifting jack. This improvement is the vertical bar is notched to prevent ...
Patent for a simple, durable, and efficient railway oil-box jack, or "hoisting jack", that is easier...
Patent for a new and improved wagon jack. This design "relates to wagon-jacks, the object being to p...
Patent for an improved track-raiser used during constructing and repairing railways. It is a jack th...
Patent for an inexpensive device that is meant to hoist, lift, or extract stumps, stones, or other h...
Patent for an invention "to combine a jack-screw or lifting-jack with a clamp, so that they may be i...
Patent for a flooring or ceiling jack that is meant to "provide a device, whereby the laying of the ...
Patent for a new and improved motor. This design "provide[s] an apparatus by means of which a series...
Patent for a new and improved wagon jack. This design consists "[i]n a wagon body raiser, the combin...
Patent for a machine that "has relation to mechanical powers designed for stump-pulling, hoisting he...
Patent for jacks for turning fly-wheels of engines, pulleys, etc. Includes instructions and illustra...
Patent for an "...improved lifter whereby certain important advantages are attained and the device i...
Patent for "a device of this class which shall be simple in construction, in which considerable powe...