US1168582A
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Change-making machine.
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US1210732A
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Coin separator and counter.
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US1045077A
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Telephone signaling apparatus.
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US929629A
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Coin-box for telephones.
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US928188A
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Coin-box for telephones.
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US885375A
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Coin-box and registering mechanism for telephone.
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US895443A
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Coin-box for telephones.
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US851282A
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Means for controlling the admission of coins to coin-receptacles.
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US851251A
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Coin-registering mechanism.
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US876586A
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Coin-registering mechanism.
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US880571A
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Coin-registering mechanism.
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US754553A
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Automatic register for coin-controlled machines.
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