Patents by Inventor Bruno Mueller

Bruno Mueller 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).

  • Outdoor advertising system
    Patent number: 6180228
    Abstract: The present invention is an outdoor advertising or display system including a multi-layer graphic article intended for application to an outdoor surface such as concrete, asphalt and the like. The advertising system includes an imageable base layer and an image-protective surface layer that can be laminated to the base layer following imaging of the base layer. The image-protective surface layer is frictionally modified to provide an anti-skid layer for surface traffic.
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: January 30, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Bruno Mueller, Elmar Paul Johannes Klameth, Siegfried Rainer Goeb
  • Method of and apparatus for manufacturing fiber-reinforced plastics articles
    Patent number: 5230906
    Abstract: An apparatus used in connection with the construction of a duroplastic, fiber-reinforced article a fibrous web which includes continuously impregnating the web under subatmospheric pressure with a liquid, curable resin composition whose viscosity is gradually increasing. The prepreg thus obtained is covered on both its major surfaces by thin polymer sheets, then cut into the desired length, vacuum molded, pre-cured in the mold and finally cured outside the mold. Construction parts, car parts and boat bodies may thus be produced.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: July 27, 1993
    Assignee: Polytex Plastic SA
    Inventor: Bruno Mueller