Patents by Inventor Edgar W. Wolfgram

Edgar W. Wolfgram 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).

  • Means and method for measuring levels of ionic contamination
    Patent number: 4023931
    Abstract: A system and method for measuring ionic contamination of an electronic assembly includes the steps of providing a test solution of a known ionic content; placing an electronic assembly of known exposed area into a predetermined static volume of the test solution; thereafter measuring the ionic content of the test solution to provide a measurement of the ionic contamination of said assembly.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: May 17, 1977
    Assignee: Kenco Alloy & Chemical Co. Inc.
    Inventor: Edgar W. Wolfgram