Patents by Inventor David J. Dudas

David J. Dudas 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).

  • Composite wire electrode
    Patent number: 5030818
    Abstract: An electrical discharge machining wire electrode and a process of forming the wire electrode. The electrode comprises a primary constituent selected from the group consisting essentially of brass copper and alloys thereof and a secondary constituent essentially of about 3 to about 40 percent by weight of graphite.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: July 9, 1991
    Inventor: David J. Dudas