4. Ventilation
  5. Having inlet airway
  6. With air pump

Charles K. Griffin

Inventor

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Access door with a double seal

Ventilation – Having inlet airway – With air pump
Patent

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Apparatus for changing belts

Pumps – Condition responsive control of pump drive motor – With control of pump drive transmission
Patent

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Fan assembly and method of manufacturing same

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

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Lead screw assembly

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Comprising a thread lock
Patent

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Offset cooling coil fin

Heat exchange – Radiator core type – Side-by-side tubes traversing fin means
Patent

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Profile ID: LFUS-PAI-P-551296

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