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2164852
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Patent number 2,164,852
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Issue date Jul 4, 1939
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2007857
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Patent number 2,007,857
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Issue date Jul 9, 1935
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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1935799
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Patent number 1,935,799
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Issue date Nov 21, 1933
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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1643608
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Patent number 1,643,608
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Issue date Sep 27, 1927
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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1606548
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Patent number 1,606,548
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Issue date Nov 9, 1926
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS