Patents by Inventor Hans G. Hellstrom

Hans G. Hellstrom 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).

  • Information presentation device
    Patent number: 7185690
    Abstract: An information presentation device and methods for mounting a display sheet to the device. The device includes an elongate housing having a first opening through which the display sheet passes. The display sheet is wound onto a drum within the housing. A releasable attachment arrangement in the form of an attachment strip to which a display sheet can be affixed and a receiving slot in the drum permits a display sheet to be attached to and removed from the information presentation device without the need to disassemble the device.
    Type: Grant
    Filed: March 16, 2006
    Date of Patent: March 6, 2007
    Assignee: Marcbric Intressenter AB
    Inventors: Gert A. Johansson, Hans G. Hellström
  • Information presentation device
    Publication number: 20040020603
    Abstract: An information presentation device and methods for mounting a display sheet to the device. The device includes an elongate housing having a first opening through which the display sheet passes. The display sheet is wound onto a drum within the housing. A releasable attachment arrangement in the form of an attachment strip to which a display sheet can be affixed and a receiving slot in the drum permits a display sheet to be attached to and removed from the information presentation device without the need to disassemble the device.
    Type: Application
    Filed: March 25, 2003
    Publication date: February 5, 2004
    Inventors: Gert A. Johansson, Hans G. Hellstrom