Patents by Inventor Peggy D. Dudley

Peggy D. Dudley 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).

  • Digital electronic dimmer
    Patent number: 4087702
    Abstract: Disclosed is a lamp-dimmer which employs a novel circuit to provide a digitally selected and phase-shifted trigger-impulse for firing a triac.
    Type: Grant
    Filed: March 9, 1976
    Date of Patent: May 2, 1978
    Inventors: James P. Kirby, Peggy D. Dudley, David A. Schwendner
  • Digital electronic dimmer
    Patent number: RE30296
    Abstract: Disclosed is a lamp-dimmer which employs a novel circuit to provide a digitally selected and phase-shifted trigger-impulse for firing a triac.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: June 3, 1980
    Inventors: James P. Kirby, Peggy D. Dudley, David A. Schwendner