Patents by Inventor David Ivy

David Ivy 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: 7458175
    Abstract: A retractable display apparatus (10) comprises a housing (12), a drum (14) journalled for rotation in the housing, a display sheet (16) wound on to the drum, and a slot (22) in the housing through which the display sheet can be unwound from the drum against the action of a return spring, wherein a flexible leader strip (28) extendable through the slot is provided for releasably attaching the display sheet to the drum (14) in an easy and convenient manner outside the housing (12). The leader strip (28) has ribs (28.2) along both longitudinal edges, one rib being engageable with the drum and the other with an undercut formation (30) secured to the display sheet (16).
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: December 2, 2008
    Inventors: Allen Meyer, David Ivy
  • Publication number: 20070070500
    Abstract: A retractable display apparatus (10) comprises a housing (12), a drum (14) journalled for rotation in the housing, a display sheet (16) wound on to the drum, and a slot (22) in the housing through which the display sheet can be unwound from the drum against the action of a return spring, wherein a flexible leader strip (28) extendable through the slot is provided for releasably attaching the display sheet to the drum (14) in an easy and convenient manner outside the housing (12). The leader strip (28) has ribs (28.2) along both longitudinal edges, one rib being engageable with the drum and the other with an undercut formation (30) secured to the display sheet (16).
    Type: Application
    Filed: August 4, 2004
    Publication date: March 29, 2007
    Inventors: Allen Meyer, David Ivy