Patents by Inventor Bastiaan Ladru

Bastiaan Ladru 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).

  • Camera lens shading device
    Publication number: 20040151492
    Abstract: A camera lens shading device includes a shell. The shell has a mounting clamp for mounting the shell on a camera. The shell has a substantially concave inner surface with an opening for passing light to a camera lens. The shell has a first axis of symmetry. The shell further includes at least a first shade element positioned at the inside of the shell, of which a first edge is pivotally mounted next to the opening. The first edge is substantially parallel to the first axis of symmetry.
    Type: Application
    Filed: March 17, 2004
    Publication date: August 5, 2004
    Inventors: Fred Blok, Bastiaan Ladru