Patents by Inventor Michael Teagardin

Michael Teagardin 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).

  • Stepped waveform inverter control
    Patent number: 5559686
    Abstract: A stepped waveform inverter and control therefor utilizes the inverter itself as a divide-by-N counter in a phase-locked loop to assure precise control over the output phase and frequency of the inverter.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: September 24, 1996
    Assignee: Sundstrand Corporation
    Inventors: Sunil Patel, Chai-Nam Ng, P. John Dhyanchand, Vietson M. Nguyen, Michael Teagardin