Patents by Inventor Debra Elm

Debra Elm 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).

  • Safety apparatus for electric appliances
    Patent number: 5939992
    Abstract: A safety apparatus for electric appliances which includes a sensor for sensing that an electric appliance is operating. An alarm coupled with the sensor, whereby an alarm is initiated. A manually operated alarm disabling switch permitting a person supervising the operation of the electric appliance to temporarily disable the alarm for a predetermined time interval.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: August 17, 1999
    Inventors: Wilbur Devries, Debra Elm