Patents by Inventor Clarence W. Olmstead

Clarence W. Olmstead 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).

  • Sealing grommet
    Patent number: 4041241
    Abstract: A grommet of the type adapted to lockingly mount within and seal an opening in a panel and wherein said grommet includes an elastomeric body having a nonelastomeric locking ring imbedded substantially entirely within said body such that the body includes first and second elastomeric annular sealing surfaces adapted to respectively seal against the face of the panel surrounding the panel opening and also to seal within the panel opening.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: August 9, 1977
    Assignee: Arco Industries Corporation
    Inventors: Clarence W. Olmstead, Fred E. Triquet