Patents by Inventor Daniela Spackova

Daniela Spackova 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).

  • Electronic roach trap
    Patent number: 4411094
    Abstract: A roach trap including a housing removably on a container. A tube is provided between a roach entry compartment and bait compartment, and a disposable bag is contained in the bait compartment for catching roaches urged through the tube by a helical empeller triggered by an electric eye means.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: October 25, 1983
    Inventors: Daniela Spackova, Richard M. Chen