Patents by Inventor Welford T. Cheatham, Jr.

Welford T. Cheatham, 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).

  • Socket test device for testing three way lamp sockets
    Patent number: 4258313
    Abstract: The invention described herein relates to small hand held tools for testing all types of household, commercial, and industrial type lamp circuits and more particularly for detecting and isolating lamp socket failures, for determining circuit polarity, and for determining the presence or absence of circuit voltage.
    Type: Grant
    Filed: October 4, 1978
    Date of Patent: March 24, 1981
    Inventors: Welford T. Cheatham, Jr., Franklin P. Ryan, Sr.