Patents by Inventor Andrzej Prawdzic

Andrzej Prawdzic 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).

  • Molding to Join Boards, Especially Paper-Gypsum-Boards, at an Angle
    Publication number: 20090301013
    Abstract: The moulding has a back part (1), one straight arm (2) at right angle relative to the back part, and a second arm (3) which is slant, situated at acute angle relative to the back part (1). The slant arm (3) has notches (4) in its longitudinal edge, situated locally at certain intervals each from the other, along its lenght.
    Type: Application
    Filed: September 16, 2005
    Publication date: December 10, 2009
    Inventor: Andrzej Prawdzic