Patents by Inventor William L. Klementovich

William L. Klementovich 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).

  • Inflatable portable dam for containment of hazardous liquids
    Patent number: 4981391
    Abstract: An inflatable portable dam apparatus for the containment and/or collection of hazardous liquids leakage and spills. The dam will prevent damage to the environment, reduce clean-up costs, and render the product reusable.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: January 1, 1991
    Inventor: William L. Klementovich