4. Closure fasteners
  5. Cross bars
  6. Vehicle door latches

Popper Engineering Ltd.

Corporate Assignee

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Combination anti-bridging device and vibrating tray

Conveyors: power-driven – Conveyor system having a gravity conveyor section – With means to affect flow
Patent

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Compression and tension spring

Spring devices – Bendable along flat surface – Flexural support
Patent

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Load supporting device

Supports – Resilient support – Including load sustaining bearing or guide
Patent

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Spring clasp

Closure fasteners – Cross bars – Vehicle door latches
Patent

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Vibrating surface apparatus

Classifying – separating – and assorting solids – Sifting – Plane sifters
Patent

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