Patents by Inventor John C. Terrington

John C. Terrington has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Slab lifter
    Patent number: 4572566
    Abstract: This invention relates to a simple tool which can be used by two people manually to lift and position slabs of various thicknesses.A slab lifter according to the invention comprises two bars adapted to rotate with respect of each other about a mutually perpendicular axis, each bar having at one end a slab-gripping portion bent at an obtuse angle A of 100 to 140 degrees towards the position of the slab-gripping portion of the other bar so that it can be inserted between adjacent slabs and together with the other slab-gripping portion can grip opposite edges of a slab to distance L apart, the distance from the axis of rotation to the slab-gripping portion of the bar being approximately equal to 0.
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: February 25, 1986
    Inventor: John C. Terrington