4. H - Electricity
  5. 05
  6. B

Bertie Forrest Jr. Hall

H - Electricity – 05 – B

Inventor

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Country: United States Of America

A machine for forming a metal strip into a tubular form...

B - Operations – Transporting – 21 – C
Patent

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Coaxial thermoelements and thermocouples made from the...

H - Electricity – 01 – L
Patent

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Electrode material for a spark plug

H - Electricity – 01 – T
Patent

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Modified nickel-chromium-aluminum-iron alloy

C - Chemistry – Metallurgy – 22 – C
Patent

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Tubular heating element with insulating core

H - Electricity – 05 – B
Patent

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A machine for forming a metal strip into a tubular form...

B - Operations – Transporting – 21 – C
Patent

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Profile ID: LFCA-PAI-P-1562216

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