Patents by Inventor Lisabeth C. Main

Lisabeth C. Main 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).

  • Calculating in spreadsheet cells without using formulas
    Publication number: 20030120999
    Abstract: A computer spreadsheet application program on a graphing calculator or other computer that allows the user to calculate and enter results inside a spreadsheet cell without using or entering a formula. Similarly, other embodiments include the same user interface functionality in a ROM software application package that is executed on a graphing calculator or other handheld device.
    Type: Application
    Filed: December 21, 2001
    Publication date: June 26, 2003
    Inventors: Michelle A. Miller, P. Gayle Mujica, Roger S. Falaster, Lisabeth C. Main, Lisa Smoot, Bea R. Aton