US Patent: 202,197
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Improvement in lifting-jacks
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Patentee:
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Benjamin M. Sherman (exact or similar names) - Flint, MI |
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Patent Dates:
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Applied: |
Mar. 07, 1878 |
Granted: |
Apr. 09, 1878 |
Patent Pictures:
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Jeff Joslin
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Description: |
An example has been seen that closely resembles the patent drawing and is marked only with the patent date. |
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