Patents by Inventor Charles Eras

Charles Eras 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: 8021158
    Abstract: A multi-scaled instructional apparatus is provided in which a plurality of measurement scales are disposed on a base medium. Each of the measurements scales are longitudinally aligned such that equal units of measure are commonly aligned among all of the measurement scales. A first measurement scale is provided in which a plurality of uniquely color-coded base units of measurement are periodically disposed on the base medium. A second measurement scale, uniformly aligned and adjacent to the first measurement scale includes a plurality of color-coded subunits of measurement periodically disposed on the base medium. Each set of subunits equaling one half of each base unit and color-coded in a color shade corresponding to the color of the base unit. An elongated element is provided to receive the base medium.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: September 20, 2011
    Inventors: Laura Eras, Charles Eras
  • Publication number: 20080261184
    Abstract: A multi-scaled instructional apparatus is provided in which a plurality of measurement scales are disposed on a base medium. Each of the measurements scales are longitudinally aligned such that equal units of measure are commonly aligned among all of the measurement scales. A first measurement scale is provided in which a plurality of uniquely color-coded base units of measurement are periodically disposed on the base medium. A second measurement scale, uniformly aligned and adjacent to the first measurement scale includes a plurality of color-coded subunits of measurement periodically disposed on the base medium. Each set of subunits equaling one half of each base unit and color-coded in a color shade corresponding to the color of the base unit. An elongated element is provided to receive the base medium.
    Type: Application
    Filed: September 28, 2007
    Publication date: October 23, 2008
    Inventors: Laura Eras, Charles Eras
  • Patent number: D612273
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: March 23, 2010
    Inventors: Laura Eras, Charles Eras