Patents by Inventor Robert L. Merritt

Robert L. Merritt 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).

  • Hairbrush with electronic stroke counter
    Patent number: 5485646
    Abstract: A brush which includes a stroke counting mechanism used to count the number of strokes made in the brushing of hair. The number of strokes is displayed on a digital read out which is mounted to the brush handle for easy reference. The brush can be used as a training aid it assists children in building counting skills.
    Type: Grant
    Filed: September 6, 1994
    Date of Patent: January 23, 1996
    Inventor: Robert L. Merritt