4. Mechanical guns and projectors
  5. Fluid pressure
  6. Provided by movement of user-actuated, projector-mounted...

Arthur Rau

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Compressed air firearm construction

Mechanical guns and projectors – Fluid pressure – Provided by movement of user-actuated – projector-mounted...
Patent

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Riding type sweeper with rear-mounted engine

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1552375

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