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US1871032A
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Recording apparatus
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ES112399A1
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Improvements in the recorder-memo devices that work in combination with clocks.
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US1554948A
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Order-duplicating check book
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US1554949A
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Holder for bills, checks, etc.
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US1393489A
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Service check and receipt
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US1330368A
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Date and time service protective-perforation recording check and receipt
|
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US1233546A
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Adding-recording, and printing machine for service-checks.
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US1257795A
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Universal service protecting and recording check and receipt.
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US1130691A
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Waiter's controlling-check.
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