Patents by Inventor Kent E. Plant, Jr.

Kent E. Plant, Jr. 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: 5815872
    Abstract: A power toothbrush has a brushhead mounted at one end thereof, the brushhead including a base mounting element for bristles which extend from one surface thereof. Extending from the opposing surface of the base mounting element is a pressure contact member. A substantially rigid brushhead shield extends along and is adjacent to the opposing surface of the brushhead. The brushhead has a hinge-like portion which permits the brushhead to move or swivel in response to pressure being placed on the brushhead, while the brushhead is moving back and forth at its operating frequency of its normal brushing action at over 150 Hz. Thin electrical switch contacts, which are part of an electrical circuit, are positioned on the brush shield, spaced from the contact member on the brushhead.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: October 6, 1998
    Assignee: Optiva Corporation
    Inventors: Stephen M. Meginniss, III, Kent E. Plant, Jr., Matthew D. Bixby, David Giuliani