4. Movable or removable closures
  5. With means mounting closure for reciprocation
  6. With latch or lock

Anthony J. Walsh

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Pneumatic door operator having novel pneumatic actuator and lock

Movable or removable closures – Safety means responsive to obstruction to closure
Patent

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Pneumatic door operator having pneumatic actuator and lock

Movable or removable closures – With means mounting closure for reciprocation – With latch or lock
Patent

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Step lift for railway cars

Railway rolling stock – Steps – Folding
Patent

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Profile ID: LFUS-PAI-P-1205860

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