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William W. Billings

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Ac solid state power controller with minimized internal...

G - Physics – 05 – F
Patent

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Frequency responsive control device

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Overcurrent protection circuit for ac systems

H - Electricity – 02 – H
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Zero crossover circuit

H - Electricity – 03 – K
Patent

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Self-winding spring motor

F - Mech Eng,Light,Heat,Weapons – 03 – G
Patent

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Profile ID: LFCA-PAI-P-301619

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