Patents by Inventor Thomas C. Drew, Jr.

Thomas C. Drew, Jr. 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).

  • Tamper-proof sealing ring for watthour meters
    Patent number: 4149741
    Abstract: A sealing ring for clamping a watthour meter to a meter socket box includes a permanent locking mechanism mounted on the ends of a clamping band. A catch assembly includes a detent carried within a shielding enclosure on one band end. A latching assembly carried on the second band end has an extending latching member insertable into the enclosure for fixed and irremovable engagement by the detent within the enclosure.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: April 17, 1979
    Assignee: Westinghouse Electric Corp.
    Inventors: George W. Lipscomb, Thomas C. Drew, Jr.