Patents by Inventor Magnus Hilleby

Magnus Hilleby 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: 5049445
    Abstract: A masking tape (10), for example for spray-painting, comprises a strip (11) of tearable material such as paper having an upper face, a lower face; a first pressure-sensitive adhesive layer (12) covering said lower face of said strip from one side edge thereof to the opposite side edge; a second pressure sensitive layer (13) applied to said upper face of said strip, said second layer having a longitudinal extent co-extensive with that of said strip and a transverse extent less than half that of said strip and being positioned close to one edge (11B) of said strip; and a release liner (14) covering said second adhesive layer. The masking tape is to be fixed to a surface to be painted in such a position that the free-edge (11A) of said strip forms a border to the area to be painted. The release liner is removed and a masking paper is fixed to said adhesive layer and cut clean along the inner edge thereof.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: September 17, 1991
    Assignee: Intermall AB
    Inventors: Ola Arvidsson, Magnus Hilleby