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Inventor
GRAHAM-MEIGHAN MARGARET
US
2 patents
Patents
2 patents
US5488351A
Jan 30, 1996
Rocking vibrator alert apparatus driven by opposite phases of a frequency generator
MOTOROLA INC
26 citations
83
US5463306A
Oct 31, 1995
Apparatus for detecting completion of energy transfer in an inductive DC to DC converter
MOTOROLA INC
9 citations
72