Patents by Inventor Robert M. Kleiman

Robert M. Kleiman 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).

  • Illuminated flashing message display sign apparatus with different operative positions
    Patent number: 5636462
    Abstract: A message display sign apparatus includes a display panel having front and rear faces, a multiplicity of light emitting elements disposed on the front face of the display panel for displaying a built-in message on the display panel being defined by groups thereof being arranged to form the letters of the two words, a mounting panel having upper and lower faces, and a hinge pivotally interconnecting an edge of the display panel to an edge of the mounting panel such that the display panel and mounting panel can undergo pivotal movement relative to one another between a message display position in which the rear face of the display panel is angularly displaced away from the upper face of the mounting panel and a storage position in which the rear face of the display panel is disposed adjacent to the upper face of the mounting panel.
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: June 10, 1997
    Inventor: Robert M. Kleiman
  • Emergency road sign
    Patent number: D335507
    Type: Grant
    Filed: July 11, 1991
    Date of Patent: May 11, 1993
    Inventor: Robert M. Kleiman