Patents by Inventor Reinhold Kelm

Reinhold Kelm 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).

  • Bending machine
    Patent number: 4142395
    Abstract: Machine for bending sheet metal, consisting of an upper and a lower clamp plate for holding the sheet metal and a bending plate which is swingable about an axis located between the clamp plates for forming the sheet metal.
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: March 6, 1979
    Assignee: Baumgarten Montage GmbH
    Inventor: Reinhold Kelm