Patents by Inventor Dharam Dev Singh

Dharam Dev Singh 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).

  • Safety device for electrical connector device
    Patent number: 4076360
    Abstract: An externally threaded sleeve type device surrounds at least part of an electrical connector device. An internally threaded cap is threadedly coupled to the sleeve type device and covers the electrical connector device.
    Type: Grant
    Filed: June 21, 1974
    Date of Patent: February 28, 1978
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Dharam Dev Singh