4. Spring devices
  5. Vehicle
  6. Comprising compressible fluid

Keystone Industries Inc.

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Automotive vehicle door retarding and closing mechanism

Closure fasteners – Bolts – Swinging
Patent

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Automotive vehicle door retarding and closing mechanism

Closure fasteners – Bolts – Swinging
Patent

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Backstop assembly for use with cushioning device in sill of rail

Railway draft appliances – Cushioned – Radially movable
Patent

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Center-of-car cushioning device with gas return

Railway draft appliances – Cushioned – Continuous
Patent

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Double acting center-of-car cushioning device

Railway draft appliances – Cushioned – Springs
Patent

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