4. Machine element or mechanism
  5. Elements
  6. Gear casings

Donald B. Campbell

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Disposable serving bowl and lid

Compound tools – Cutter combined with other tool or tools
Design Patent

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Transmission casing cover with tubular conduit cast in situ

Machine element or mechanism – Elements – Gear casings
Patent

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Transmission casing cover with tubular mechanically crimped cond

Metal founding – Process – Shaping liquid metal against a forming surface
Patent

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Profile ID: LFUS-PAI-P-534047

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