Patents by Inventor Ruth E. Sims

Ruth E. Sims 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).

  • Security system for a building
    Patent number: 4118691
    Abstract: A spring within a container is maintained in compression by a first movable pin that extends from the inside to the outside of a container. In response to the first pin being pulled from a set position, a spring drives a hammer against a dispensing button of a tear gas cannister whereby the cannister dispenses tear gas. Additionally, a second pin extends from the inside to the outside of the container. In response to the second pin being pulled from a set position, a switch causes the application of a voltage of a battery to a horn whereby the horn emits sound.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: October 3, 1978
    Inventor: Ruth E. Sims