Patents by Inventor Ralph G. Lambert

Ralph G. Lambert 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).

  • Cleaning and washing pad
    Patent number: 4254530
    Abstract: An improved cleaning-and washing-pad material, which pad material comprises in combination: a soft natural or synthetic shearling sheet material forming one surface of the pad material and a tough, nylon-mesh material forming the other surface of the pad, the shearling material and the nylon material sewed together about the peripheral edges to form a cavity therein; and a soft, resilient, substantially open-cell, polyurethane or cellulose sponge material loosely inserted within the hollow cavity to provide body and bulk to the pad, whereby the improved cleaning- and washing-pad material presents a soft water-absorbent surface for washing and a tough scrubbing surface for cleaning purposes.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: March 10, 1981
    Assignee: Drutan Products, Inc.
    Inventor: Ralph G. Lambert
  • Washing pad
    Patent number: D262432
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: December 29, 1981
    Assignee: Drutan Products, Inc.
    Inventor: Ralph G. Lambert