Patents by Inventor Jefferey A. Demerritt

Jefferey A. Demerritt 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: 5274502
    Abstract: Sealed precision optical assemblies are provided by a mold-in-place (MIP) process wherein a glass preform for a lens or other optical element is molded and sealed directly into a one-piece metal support for the element in a single precision molding step. The product is a sealed glass/metal assembly incorporating a non-interlocking mechanical seal, the seal being hermetic yet free of supplemental sealing materials, and the optical axis of the glass element being at a precise predetermined location and in a predetermined alignment relative to one or more reference surfaces on the metal support.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: December 28, 1993
    Assignee: Corning Incorporated
    Inventors: Jefferey A. Demerritt, Mark L. Morrell, Robert V. Vandewoestine