Patents by Inventor Sidney J. Parkin

Sidney J. Parkin 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).

  • Pedal cycle headlamp
    Patent number: 4180849
    Abstract: A transparent lens for the front of a pedal cycle headlamp has a first set of elongated prisms arranged to extend horizontally and thereby modify the transmitted light distribution in the vertical direction and a second set of elongated prisms arranged to extend vertically and thereby modify the transmitted light distribution in the horizontal direction, the prisms extending over only part of the lens area thereby leaving part of the lens area through which light may be transmitted without modification by the prisms.
    Type: Grant
    Filed: August 18, 1977
    Date of Patent: December 25, 1979
    Assignee: The Ever Ready Company (Great Britain) Limited
    Inventor: Sidney J. Parkin