Patents by Inventor E. Arvel Israelsen

E. Arvel Israelsen 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: 5426475
    Abstract: A new and improved device for supporting and transporting overhead transparencies which simplifies the usage of such transparencies comprising: a pair of essentially rigid planar primary lateral wall of an enlarged height and width positionable parallel with each other during the closed orientation, the planar primary panels having short lateral walls extending perpendicularly from the side edges and having short spine wall extending perpendicularly from the lower edge to form a partial box-like configuration, the lateral walls and spine walls providing bearing faces therebetween when in the closed orientation; a hinge coupling the outside extension of the spine walls of the two primary lateral walls allow the pivoting of each primary lateral walls away from other lateral wall; and two secondary lateral walls of an essentially rigid material having a short height and having a width essentially equal to the width of the primary panels, with hinges to couple the upper edge of each primary panel to the lower edg
    Type: Grant
    Filed: May 11, 1994
    Date of Patent: June 20, 1995
    Inventor: E. Arvel Israelsen