Patents by Inventor Wolfgang Bonczek

Wolfgang Bonczek 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).

  • Precision resistor for measurement purposes
    Patent number: 4317104
    Abstract: A precision resistor for use in electrical circuits arranged on printed circuit boards is produced from a band of thermally conductive alloy. The band is selectively surface treated with a conductive coating to improve solderability in the region of the resistor where it is connected to conductors of the circuit board.
    Type: Grant
    Filed: November 7, 1979
    Date of Patent: February 23, 1982
    Assignee: Firma Leopold Kostal
    Inventors: Eduard Bergmann, Wolfgang Bonczek