Patents by Inventor Dennis H. Hydorn

Dennis H. Hydorn 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).

  • Waterproof bag with waterproof divider
    Patent number: 4127155
    Abstract: A carrying bag is provided with an opening and includes two side panels. The side panels are laminated on their inner surfaces with a waterproof material and are separated by one or more waterproof, flexible dividers secured in the bag. Each divider essentially precludes the migration of water between the compartments in the bag.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: November 28, 1978
    Inventor: Dennis H. Hydorn