Patents by Inventor John B Spanton

John B Spanton 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).

  • Air purifying apparatus and method
    Patent number: 6589486
    Abstract: The apparatus and method of the present invention are suitable for use in the HVAC system of a building or dwelling such as a home or small commercial building. The apparatus and method cleans, purifies and deodorizes air in the building or dwelling. The air purifying apparatus comprises the following basic components: a UV germicidal lamp, an ozone generator, an air flow sensor, a control system, a status display system, a coupling system to connect the apparatus to an HVAC system, and a power system.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: July 8, 2003
    Assignee: Osceola Specialty Products
    Inventor: John B Spanton
  • Transcutaneous nerve stimulator
    Patent number: 4759368
    Abstract: A transcutaneous nerve stimulating device is provided having a plurality of operating modes, namely burst, normal (single amplitude/single pulse width), rate modulation, amplitude modulation and strength-duration/rate modulation. In the lattermost mode, the rate modulation control circuitry acts independently of the inter-related amplitude and pulse width modulations to result in a means of nerve stimulation obviating the phenomenon of accommodation.
    Type: Grant
    Filed: December 2, 1986
    Date of Patent: July 26, 1988
    Assignee: Medical Designs, Inc.
    Inventors: John B. Spanton, Gregory A. Todd, John P. Landino, Terry A. Todd, Richard J. Fisher, Jr.