Patents by Inventor Helmut Dull

Helmut Dull 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: 4375126
    Abstract: A device and a method of automatically mounting plate-shaped chips on printed circuit boards, the chips first being aligned and positioned with respect to each other before they are glued onto the printed circuit board, after which the whole assembly of parts is soldered down.
    Type: Grant
    Filed: August 27, 1980
    Date of Patent: March 1, 1983
    Assignee: U.S. Philips Corporation
    Inventors: Helmut Dull, Wilhelm Schreihage