COMBINED ACTIVATION MECHANISM OF RETRACTABLE MARKER AND POWER STATUS FOR AN ELECTRONIC PEN
Wheaton Christopher, Naydo Kyle Aya, Cerny Gregory Robert, Leung Chi Kin Benjamin
Year of Publication 02.03.2017
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Year of Publication 02.03.2017
Patent
COMBINED ACTIVATION MECHANISM OF RETRACTABLE MARKER AND POWER STATUS FOR AN ELECTRONIC PEN
CERNY GREGORY ROBERT, LEUNG CHI KIN BENJAMIN, NAYDO KYLE AYA, WHEATON CHRISTOPHER
Year of Publication 30.04.2015
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Year of Publication 30.04.2015
Patent