Patents by Inventor Sean S. O'Riordan

Sean S. O'Riordan 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).

  • Atomic model
    Patent number: 4192084
    Abstract: A teaching aid which has a display board and a number of discs having symbols printed thereon and magnets for attaching the discs to the display board. The teaching aid is particularly directed towards the teaching of chemistry and the discs have printed thereon atomic or ionic symbols and can be so used to display the theory of chemical bonding or construction of a nucleus.
    Type: Grant
    Filed: September 11, 1975
    Date of Patent: March 11, 1980
    Inventor: Sean S. O'Riordan