4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Brian E. Spencer

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Adjustable steering axle, trailer, and method for operating a tr

Land vehicles – Wheeled – Running gear
Patent

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Boom stiffening system

Fluid handling – Systems – Articulated or swinging flow conduit
Reexamination Certificate

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Boom utilizing composite material construction

Fluid handling – Systems – Articulated or swinging flow conduit
Reexamination Certificate

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Boom utilizing composite material construction

Fluid handling – Systems – Articulated or swinging flow conduit
Reexamination Certificate

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Composite electric motor shaft

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Profile ID: LFUS-PAI-P-344128

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