Patents by Inventor Pamela de Toledo

Pamela de Toledo 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).

  • Universal triangle
    Patent number: 4625425
    Abstract: This invention is a drafting implement consisting of an interchangeable triangle and interchangeable circular disk carried rotatively on the triangle and both the triangle and circular disk each being imprinted and having measurement and drafting aids to make technical drawings and measurements.
    Type: Grant
    Filed: October 1, 1985
    Date of Patent: December 2, 1986
    Inventors: Ricardo G. Senno, Pamela de Toledo