4. Telephonic communications
  5. With check operated control
  6. Coin signalling or control

Sung-Min Lin

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Blast proof apparatus for the coin return cavity of a public pho

Telephonic communications – Terminal accessory or auxiliary equipment – Protective structure
Patent

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Coin reception mechanism

Check-actuated control mechanisms – Including specific check passageway – And scavenger mechanism
Patent

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Coin release mechanism of pay phone

Telephonic communications – With check operated control – Coin signalling or control
Patent

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Reinforced pay phone casing structure

Telephonic communications – Terminal accessory or auxiliary equipment – Hood or enclosure
Patent

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Profile ID: LFUS-PAI-P-54765

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