4. Brakes
  5. Internal-resistance motion retarder
  6. Having a thrust member with a variable volume chamber

Walter Schalles

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Automobile shock absorber with frequency-selective action

Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Patent

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Separating piston for a vibration damping system

Seal for a joint or juncture – Seal between relatively movable parts – Piston ring or piston ring expander or seat therefor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1417931

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