4. H - Electricity
  5. 04
  6. M

John Bottrill

H - Electricity – 04 – M

Inventor

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Inventor

Country: Canada

Power factor and crest factor circuit

H - Electricity – 02 – J
Patent

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Safety belt rewinding mechanism with improved belt...

B - Operations – Transporting – 65 – H
Patent

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Universal signal generator for generating telephone system...

H - Electricity – 04 – M
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Profile ID: LFCA-PAI-P-183684

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