4. Metal treatment
  5. Stock
  6. Ferrous

Warren G. Williamson

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Gray cast iron system for scroll machines

Metal treatment – Stock – Ferrous
Reissue Patent

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Gray cast iron system for scroll machines

Metal treatment – Stock – Ferrous
Patent

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Gray cast iron system for scroll machines

Metal treatment – Stock – Ferrous
Patent

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Green sand casting method and apparatus

Metal founding – Process – Shaping liquid metal against a forming surface
Reexamination Certificate

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Method of making a stem seat for a piston and cylinder type ther

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Profile ID: LFUS-PAI-P-990047

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