Patents by Inventor Derrick K. Van Grol

Derrick K. Van Grol 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: 5842248
    Abstract: A toothbrush with a funnel-like catch basin that is coaxial in design and is mounted on the toothbrush's handle for capturing and trafficking excess water, toothpaste, and saliva into a hollow bore in the handle. A cap may be inserted in the hollow bore to temporarily confine the waste therein.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: December 1, 1998
    Inventors: Derrick K. Van Grol, Stephen G. Kosarko