Patents by Inventor Derrik J. Spoelman

Derrik J. Spoelman 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: 6386783
    Abstract: A toothpaste dispensing toothbrush including a handle defining a reservoir, and a neck extending from the handle and terminating in a brush head. The reservoir has an outlet, and contains a plurality of portions of toothpaste. The brush head has a plurality of bristles with an effective lifetime. A passage extends from the outlet of the reservoir through the neck to a dispensing opening located proximate the brush head. Also included is a dispensing mechanism for dispensing the plurality of portion of the toothpaste from the reservoir to the brush head. The plurality of portions of toothpaste matches the lifetime of the bristles.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: May 14, 2002
    Inventor: Derrik J. Spoelman