US Patent: 309,533
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Saw-tooth-swaging device
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Patentee:
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James E. Emerson (exact or similar names) - Beaver Falls, PA |
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Patent Dates:
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Applied: |
Jul. 16, 1884 |
Granted: |
Dec. 23, 1884 |
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Jeff Joslin
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Description: |
This invention was featured in the 1886 Curtis & Co. catalog, pages 62-63, as "Emerson's patent clamping side gauge and guide hammer swage". |
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