Patents by Inventor Michael E. Joseph

Michael E. Joseph 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).

  • Patent number: 5577574
    Abstract: An adjustable stepladder comprising a front and rear leg assembly, each having a pair of parallel legs with coupling apertures at their upper ends and elastomeric stoppers at their lower ends, the leg assembly having a plurality of steps extending transversely between the legs with ends coupled to the legs at intermediate points along their lengths, each of the steps being fabricated with an elastomeric coating upon their upper surface, each of the legs being fabricated of a plurality of components with apertures and with the components coupled together in telescoping relationship with a locking pin positionable through alignable apertures in the areas of overlap and a spring interior thereof to hold the locking pin in a preset orientation, the areas of separation being provided beneath the lowermost step, above the uppermost step, and at regions between the steps; a coupling plate having a planar upper surface with an elastomeric sheet thereover with downwardly extending plates with apertures, the apertures
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: November 26, 1996
    Inventor: Michael E. Joseph