Patents by Inventor Catharine Helena Glenn

Catharine Helena Glenn 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: 5811705
    Abstract: A learning apparatus for learning notes includes a planar, one-part or multi-part board, made of wood, cardboard, plastic, or a similar, nearly form-rigid material with a working surface, exhibiting non-removable and well-recognizable staff indicia means. The work surface is inscribable or imprintable and covered with an adhering felt layer or magnetic foil or with a foil furnished with comparable adhering means, wherein light form-parts, which are easily removable by hand, are placeable on the foil. The form-parts are shaped like all musical notation indicia and musical clef indicia used for writing down notes and are furnished at their backs with hook-and-loop adhering means or magnetic adhering means or the like adhering means. The musical notation indicia are made of metal, plastic, wood, caoutchouc or a similar, nearly form-rigid or slightly plastically deformable material provided with a color coating on their surface or are made of materials having different colors.
    Type: Grant
    Filed: August 23, 1995
    Date of Patent: September 22, 1998
    Inventor: Catharine Helena Glenn