Patents by Inventor Robert A. Lardenois

Robert A. Lardenois 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: 3970093
    Abstract: A hair treating device comprises a hollow housing to which is affixed an air-cushioned type brush comprising an elastically deformable base which covers an opening in the housing and supports a plurality of external heat conducting teeth. The housing is provided with means for heating and directing a stream of air to the opening covered by the base, which is provided with suitable openings to permit the heated air to be directed towards the teeth of the brush.
    Type: Grant
    Filed: February 5, 1975
    Date of Patent: July 20, 1976
    Assignee: Etablissements Lardenois
    Inventor: Robert A. Lardenois