Patents by Inventor Coffee Brown

Coffee Brown 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).

  • Universal, interchangeable tool attachment system
    Patent number: 6983506
    Abstract: A universal, interchangeable attachment system, comprising various tool operator heads, removable/interchangeable handles, removable/replaceable tools and tool bits, hex drive, and clamp for securing tools. An electronic subsystem provides an alternating current detector, an indicator, such as an LED or light bulb, and continuity circuit indicator. A reversible double helical drive enables a user to drive a screw or bolt.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: January 10, 2006
    Inventor: Coffee Brown