Patents by Inventor James E. Rapp

James E. Rapp 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).

  • Semiconductive glass-ceramic articles
    Patent number: 3936397
    Abstract: This invention relates to the formation of semiconductive glass-ceramic articles. More particularly, the present invention relates to the formation of semiconductive glass-ceramic articles in the CdO--Bi.sub.2 O.sub.3 --B.sub.2 O.sub.3 --GeO.sub.2 compositional field having resistivities of less than about 10.sup.9 ohm-cm.
    Type: Grant
    Filed: February 1, 1974
    Date of Patent: February 3, 1976
    Assignee: Owens-Illinois, Inc.
    Inventor: James E. Rapp