Patents by Inventor Jimmie Lee Powell

Jimmie Lee Powell 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).

  • Low temperature sealed glass compositions and process for their preparation
    Patent number: 4004936
    Abstract: Low temperature, vitreous-crystalline seal glass compositions and a process for their preparation are described. The composition consists essentially of the following constituents in percent by weight:______________________________________ Percent by Weight ______________________________________ PbO 63.5-64.6 B.sub.2 O.sub.3 13.0-13.9 Bi.sub.2 O.sub.3 1.2-1.5 ZnO 11.4-11.9 SiO.sub.2 2.4-2.8 Al.sub.2 O.sub.3 0.8-1.0 Cu.sub.2 O 4.3-5.
    Type: Grant
    Filed: May 19, 1976
    Date of Patent: January 25, 1977
    Assignee: International Business Machines Corporation
    Inventor: Jimmie Lee Powell