Patents by Inventor Alvaro Magalhaes

Alvaro Magalhaes 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: 5478433
    Abstract: A seam roller having a frame and a plurality of wheels for rolling and flattening wallpaper and the like is provided. The frame has two sides and each side has an angle formed therein. Two angled rollers are positioned on a first axle and a front roller positioned in front of the angled wheels is rotatably positioned on a second axle. Preferably, a separating wheel is positioned between the angled rollers on the first axle. A handle is attached to the frame for rolling the roller.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: December 26, 1995
    Inventor: Alvaro Magalhaes