Patents by Inventor Ralph B. Poole

Ralph B. Poole 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).

  • Electrolytic capacitor package having a grommet with tapered lead holes
    Patent number: 4037142
    Abstract: A sealed electrolytic capacitor package includes an electrolytic capacitor section enclosed in a metal housing having an elastomeric grommet sealed in an open end of the housing. At least one lead extends through a tapered hole in the grommet, the large opening end of the tapered hole being positioned at the inside face of the grommet. The grommet has a raised mesa portion of irregular shape at one of its faces to aid in sensing the proper grommet orientation for insertion of one or more leads during assembly.
    Type: Grant
    Filed: January 29, 1976
    Date of Patent: July 19, 1977
    Assignee: Sprague Electric Company
    Inventor: Ralph B. Poole