Patents by Inventor William Greenberger

William Greenberger 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: 4556183
    Abstract: An integral plastic clip assembly is provided including a generally J-shaped body adapted for receiving a sign or marker, and opposing flanges for securing the assembly to a shelf molding. The assembly is substantially resilient so that it may easily be snapped within the molding. A clip portion, formed by the loop of the J-shaped body, is also resilient to provide a firm grip upon a sign or marker positioned therein.
    Type: Grant
    Filed: March 5, 1985
    Date of Patent: December 3, 1985
    Assignee: The Hopp Press Inc.
    Inventor: William Greenberger
  • Patent number: 4509279
    Abstract: This invention relates to a display device that may be constructed from a single sheet of resilient material having a plurality of color contrasting portions that may be displayed in various combinations to form a desired character, e.g. numeral, or the like.
    Type: Grant
    Filed: January 13, 1983
    Date of Patent: April 9, 1985
    Assignee: The Hopp Press
    Inventor: William Greenberger
  • Patent number: 4485576
    Abstract: A message display sign is provided which includes a first panel having indicia thereon and appropriately shaped and positioned windows or openings therein. A second panel is provided behind the first panel and includes a second set of indicia. When in a first position, a selected portion of the second set of indicia is visible through the openings of the first panel. The visible portion of indicia from the second panel combined with the indicia on the first panel convey a first meaningful message. When in a second position behind the first panel, a second selected portion of the second set of indicia is visible through the openings in the first panel. This second selected portion combined with the indicia on the first panel convey a second meaningful message.
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: December 4, 1984
    Assignee: The Hopp Press Incorporated
    Inventor: William Greenberger
  • Patent number: 4453324
    Abstract: This invention relates to a display device having a self storing changeable message appearing on a display element that may be folded for insertion into a mounting member having two opposing flanges defining a channel and when the display element is engaged with the channel a selected portion of message printed thereon is displayed.
    Type: Grant
    Filed: January 20, 1983
    Date of Patent: June 12, 1984
    Assignee: The Hopp Press, Inc.
    Inventor: William Greenberger
  • Patent number: 4373693
    Abstract: A clip is provided including a pair of arms for holding a sign or the like therebetween. The arms are affixed to a flat, resilient, rectangular member which is capable of being locked within the flanges of a shelf molding. The arms may be attached to the flat member in such a manner that a pair of opposing recesses are provided between them. The clip may then be secured to a resilient planar member having an appropriately shaped hole therein.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: February 15, 1983
    Assignee: The Hopp Press, Inc.
    Inventor: William Greenberger
  • Patent number: 4338739
    Abstract: A display device is provided which is adapted for use in conjunction with conventional shelf moldings. The sign includes a first portion which snaps within the molding and a second portion which extends therefrom. The second portion is foldable with respect to the first portion so that it may be oriented perpendicularly to the shelf molding. An area of reduced width may be provided between the two portions to facilitate the device's application to the molding. The first portion may be transparent if material positioned thereunder is not to be obscured. At least two adjacent edges of the first portion are sinuated to allow it to be easily inserted within the shelf molding.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: July 13, 1982
    Assignee: The Hopp Press
    Inventor: William Greenberger
  • Patent number: 4217713
    Abstract: A slidable window sign is disclosed having a front panel adapted for securement to a window, a back panel attached to the front panel, and a slidable member positioned between the front and back panels. The front panel may contain indicia for viewing through the window without the risk of soiling through use. The slidable member may also include indicia and at least one protrusion thereon to allow vertical mounting without slippage. Foldable ends on the slidable member prevent it from being separated from the panels under normal uses. The ends may be unfolded to form a coplanar relation with the body of the member for purposes of removal.
    Type: Grant
    Filed: January 12, 1979
    Date of Patent: August 19, 1980
    Assignee: The Hopp Press Incorporated
    Inventor: William Greenberger
  • Patent number: 4008533
    Abstract: A method is disclosed for interconnecting a plurality of sheets, wherein said sheets are superimposed on each other and at least one of said sheets may be rotated about the point of interconnection. The disclosure is also of novel articles such as changeable price markers constructed by the method of the invention.
    Type: Grant
    Filed: March 12, 1976
    Date of Patent: February 22, 1977
    Assignee: The Hopp Press, Inc.
    Inventor: William Greenberger