Patents by Inventor Robert L. Kovach

Robert L. Kovach 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: 6135123
    Abstract: A hair cutting guide comprising an upper clip and a lower clip is disclosed. A pivot pin interconnects the upper and lower clips allowing rotation of the upper and lower clip with respect to each other. A spring is mounted around the pivot pin and engages the upper and lower clips and urges them into engagement with each other. The upper clip includes a toothed ridge and the lower clip includes a groove which mates with the toothed ridge. The lower clip also includes a toothed ridge which mates with a groove in the upper clip.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: October 24, 2000
    Inventors: Judy Grassi, Robert L. Kovach
  • Patent number: D247105
    Type: Grant
    Filed: May 7, 1976
    Date of Patent: January 31, 1978
    Inventor: Robert L. Kovach
  • Patent number: D251416
    Type: Grant
    Filed: January 24, 1978
    Date of Patent: March 27, 1979
    Inventor: Robert L. Kovach
  • Patent number: D374314
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: October 1, 1996
    Assignee: Terradyne Ltd.
    Inventors: Robert L. Kovach, Robert A. Kovach
  • Patent number: D376341
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: December 10, 1996
    Inventors: Robert L. Kovach, Robert A. Kovach
  • Patent number: D401199
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: November 17, 1998
    Assignee: Dawn Enterprises, Inc.
    Inventors: Robert L. Kovach, Robert A. Kovach