"Esther Marion MacInnis (maiden name)"@en . "Widow of Edwin Howard Armstrong" . "1979-08-08Z"^^ . . "1898Z"^^ . . "1979Z"^^ . . "Armstrong, Esther Marion"@en . "Esther Marion Armstrong was the widow of Edwin Howard Armstrong, notable for continuing his patent battles after despair drove him to suicide.It took 13 years, but she did win all the patent fights, winning financial settlements that restored her wealth.In her final years she established awards and took other steps to honor her husband's accomplishments.When Marion met Edwin Armstrong she was the secretary of David Sarnoff then an executive at RCA.Armstrong was then both an inventor and Professor of Electrical Engineering at Columbia University. "@en . "Esther Marion Armstrong"@en . . . .