Patents by Inventor Patrick J. Caskey

Patrick J. Caskey 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).

  • Ophthalmological self-test unit for evaluating macular degeneration
    Patent number: 5838422
    Abstract: An improved ophthalmological self test unit for assisting in the self evaluation of the degenerative effects of certain eye disorders. The self diagnostic ophthalmological device includes a first layer having a top rewriteable surface and a grid pattern disposed thereon and a magnetic second layer fixedly attached to the first layer for attaching the self test device to a magnetically permeable surface.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: November 17, 1998
    Inventor: Patrick J. Caskey