Patents by Inventor Victor E. Dahlgren

Victor E. Dahlgren 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: 5214571
    Abstract: A multilayer printed circuit, including: first and second layers, each comprising dielectric material, at least one of these layers having an opening therethrough for which the other layer does not have a corresponding opening therethrough, at least one of the layers bearing a conductive path; there being disposed between and bonded to these layers a third layer comprising substantially chemically nonpermeable material to chemically isolate the conductive path against subsequent treatment of the printed circuit; all three layers having corresponding datums formed thereon located for relative mutual alignment of the corresponding features on the layers.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: May 25, 1993
    Assignee: Miraco, Inc.
    Inventors: Victor E. Dahlgren, Richard W. Gerrie