US Patent: 170,392
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| Improvement in corner-pieces and clamps for picture-frames
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Patentee:
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| Charles P. Poinier (exact or similar names) - Boston, MA |
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Patent Dates:
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| Applied: |
Jul. 24, 1875 |
| Granted: |
Nov. 23, 1875 |
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Jeff Joslin
Vintage Machinery entry for George S. Bryant & Co.
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Description: |
| "This invention has relation to improvements in corner ornaments and joint-binders for picture-frames, the object of which is to prevent the frame from being broken and its joints separated by a casual fall or other rough usage." |
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