Patents by Inventor David J. Grenell

David J. Grenell 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: 4524470
    Abstract: A lock mechanism normally restraining manual raising movement of a toilet lid. A lid control shoe has an outer portion adapted for attachment to a lid upper surface and a shelf portion projecting toward a toilet apron surface. A lid control arm is mounted on a medially positioned shelf pivot and has a short portion extending toward the shoe outer portion and a long portion extending toward an area adjacent the apron surface. Tension elements and a stop element carried by the shoe shelf normally position the control arm long portion and a vertical flange thereon in proximity to the apron surface. Preferably, the lid control arm projects upwardly toward the toilet apron surface at an angle of substantially five degrees (5.degree.).
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: June 25, 1985
    Inventor: David J. Grenell
  • Patent number: 4444324
    Abstract: Two embodiments of a compartmented storage container for liquids or foods. In both embodiments, the containers have two identical juxtaposed cylindrical body members with insulated walls, open base ends and dispensing openings closed by a removable insulated closure. The open base ends are interconnected by a medial connector with an insulated annular flange. In one embodiment, for storing two different liquids or foods in one container, the medial connector is closed. In the other embodiment, for storing one liquid or food in one container, the medial connector is open.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 24, 1984
    Inventor: David J. Grenell