Patents by Inventor Frederick E. Kupsky

Frederick E. Kupsky 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).

  • Method and apparatus for fabricating reticular sheet material
    Patent number: 4111028
    Abstract: An improved method and apparatus for fabricating reticular sheet material utilizes dies for shearing a sheet of metal into interconnected strands, mandrels for bending alternate interconnections of the metal in opposite directions to form ridges and valleys between the strands, and inserting punches into the sheared areas between strands while holding the ridges with other punches to form uniform openings in the areas between the strands.
    Type: Grant
    Filed: August 4, 1977
    Date of Patent: September 5, 1978
    Inventor: Frederick E. Kupsky