Patents by Inventor Marie M. Aklin, Voluntary Administrator

Marie M. Aklin, Voluntary Administrator 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).

  • Curved field photographic objective
    Patent number: 4494829
    Abstract: The invention provides a highly corrected optical system comprising six groups consisting of ten elements, the indicies of refraction of which range from 1.654 to 1.807, the image surface being generally shallowly concave to the object.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: January 22, 1985
    Inventors: George H. Aklin, deceased, Marie M. Aklin, Voluntary Administrator