Patents by Inventor Sydney Howe

Sydney Howe 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: 4261619
    Abstract: A mineral cutting tool comprises a head and a shank extending therefrom for fitting into a socket of a box, the shank having a laterally extending, two-part aperture, the parts thereof communicating with one another, with the first aperture part housing a first portion of a resiient retaining member whereby the latter is secured to the shank, the second aperture part housing, with clearance, a second portion of the resilient retaining member, which second portion is flexibly connected to the first portion, the second portion projecting at least from one end of the second aperture part for abutting engagement, in use, with the socket of the box.
    Type: Grant
    Filed: January 3, 1980
    Date of Patent: April 14, 1981
    Assignee: Hall & Pickles Limited
    Inventors: Sydney Howe, William S. Clapham