Patents by Inventor Bernard Englehardt

Bernard Englehardt 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: 4724568
    Abstract: A longitudinally extending pad of a rubbery, compressible, water-absorbent material is covered with a knit fabric to provide an abrasive surface. A scraper is formed integrally at one end of the pad by applying heat and pressure to the one end to compress and harden the one end. Thus, the scraper, which comprises an elongated extension of the pad, is thin edged and relatively rigid.
    Type: Grant
    Filed: December 15, 1986
    Date of Patent: February 16, 1988
    Inventor: Bernard Englehardt