Patents by Inventor Tommy H. Hertzberg

Tommy H. Hertzberg 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).

  • Circuit board containing a metal net
    Patent number: 4824381
    Abstract: Metal net, mainly intended for the production of printed circuit boards. Said net is made of covar, molybdenum, invar or wolfram and is possibly coated with copper.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: April 25, 1989
    Assignee: Perstorp AB
    Inventors: Tommy H. Hertzberg, Bernt Ekstrom