Patents by Inventor Harwick A. Haugen

Harwick A. Haugen 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: 4639483
    Abstract: A gelled dielectric encapsulant material and process therefor for use in reenterable and nonreenterable communication cable splices as well as applications relating to encapsulation of electronic components comprises a plasticizer which does not stress crack polycarbonate, an aliphatic or aromatic carboxylic acid, and a basic oxide or hydroxide.
    Type: Grant
    Filed: May 9, 1985
    Date of Patent: January 27, 1987
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James E. Billigmeier, James D. Groves, Harwick A. Haugen, Richard J. Pokorny