Patents by Inventor Ruth R. Oettinger

Ruth R. Oettinger 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).

  • Educational aid for classroom use
    Patent number: 4306869
    Abstract: An educational aid is provided which is adapted for classroom control and instructional use. The aid comprises a generally rectangular flat support panel, and a pocket mounted at one end of the support panel and having an opening which faces the other end. Three discs, which are respectively colored red, yellow and green, are adapted to be magnetically secured to that portion of the panel to simulate a traffic light, and any of the discs which are in non-use may be retained in the pocket. The aid is adapted for classroom control of young students by permitting various discs to be displayed to indicate permissible or non-permissible activities. Also, the aid may be used to instruct the students as to the meaning of the various signals of a conventional traffic light.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: December 22, 1981
    Assignee: Ruth R. Oettinger
    Inventors: Ruth R. Oettinger, David W. Allred
  • Indicator for classroom control and education
    Patent number: D265100
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: June 22, 1982
    Inventor: Ruth R. Oettinger