Patents by Inventor Robert R. Kirberger

Robert R. Kirberger 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: 5040261
    Abstract: The invention relates to a toothbrush, comprising a brush handle (1) and a brush head (3) adjoining the latter, and, if required, disposed at an angle. According to the invention, a gripping slide (4) which can be displaced over at least part of the length of the brush handle (1) by virtue of a guide element projecting into a handle recess is arranged on the brush handle (1).
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: August 20, 1991
    Assignee: Blendax GmbH
    Inventor: Robert R. Kirberger