Patents by Inventor Raymond L. Roberts

Raymond L. Roberts 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: 3937435
    Abstract: A combined page holder and book support is disclosed herein having a shaped base formed with a pair of cut-outs along a selected end of the base and an elongated slot along the central longitudinal axis opening at the other end of the base. A pair of tab members are pivotally carried on the selected end of the base and rotate in and out of the respective cut-outs. A U-shaped support member is pivotally carried at the sides of the base and constitute a back for supporting an open book while the tab members constitute a pair separator. A brace is pivotally carried on the base and rotates into and out of the elongated slot. The brace detachably engages with the U-shaped member so as to support in an angular relationship to the base.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: February 10, 1976
    Inventor: Raymond L. Roberts