Patents by Inventor John Trichell

John Trichell 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: 4667405
    Abstract: A disposable hair clipping head assembly adapted for attachment to an electric clipper is disclosed. The assembly is characterized by a novel two-piece construction including fixed and movable members formed of synthetic plastic material. The fixed member includes a base and an integral spring having a portion thereof extending in parallel spaced relation from the base. One edge of the fixed member base contains a plurality of teeth. The movable member is arranged between the spring and base of the fixed member, with the spring serving to retain the movable member which is adapted for reciprocal movement relative to the base. One edge of the movable member also contains a plurality of teeth which are arranged adjacent the teeth of the fixed member. The fixed member also includes a pair of lugs integrally connected with the spring, the lugs being adapted for interlocking attachment to the electric clipper.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: May 26, 1987
    Inventors: John Trichell, Ronald M. Wheeler
  • Patent number: 4563814
    Abstract: A disposable hair clipping head assembly adapted for attachment to an electric clipper is disclosed. The assembly is characterized by a novel two-piece construction including fixed and movable members formed of synthetic plastic material. The fixed member includes a base and an integral spring having a portion thereof extending in parallel spaced relation from the base. One edge of the fixed member base contains a plurality of teeth. The movable member is arranged between the spring and base of the fixed member, with the spring serving to retain the movable member which is adapted for reciprocal movement relative to the base. One edge of the movable member also contains a plurality of teeth which are arranged adjacent the teeth of the fixed member. The fixed member also includes a pair of lugs integrally connected with the spring, the lugs being adapted for interlocking attachment to the electric clipper.
    Type: Grant
    Filed: January 11, 1984
    Date of Patent: January 14, 1986
    Inventors: John Trichell, Ronald M. Wheeler