Patents by Inventor Etienne N. De Souza

Etienne N. De Souza 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).

  • Patent number: 5555630
    Abstract: A compass (1) with safety pivot is disclosed for drawing arcs or complete circles on a surface without perforating it and in an absolutely safe manner for young users. The safety pivot of said compass has a rounded end at the end of a pin (8) housed in the body (9). Said rounded end is partially or fully covered by a non-slip finish (7') designed-to be in contact with said drawing surface to define the centre of the arc or circle to be drawn.
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: September 17, 1996
    Inventor: Etienne N. De Souza