Patents by Inventor Katharine H. Davidson

Katharine H. Davidson 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: 4515449
    Abstract: A head harness for glasses comprised of a first elongated strap that fits over the head of a person and containing closed loops at each end for engaging the midsection of the temple pieces of a pair of eyeglasses frames; a second elongated strap that fits around the rear of the head of a person and containing closed loops for engaging the rear sections of temple pieces; and an elongated strap that is sewn at each of its ends to the midsections of the first and second elongated straps. The straps are all constructed in a preadjusted length and are made of a slightly elastic material in order to provide a secure fit when used with different style eyeglasses and different head sizes.
    Type: Grant
    Filed: February 16, 1983
    Date of Patent: May 7, 1985
    Inventor: Katharine H. Davidson