US Patent: 39,404
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Improved Gage for Metal-Planing Surface Gage
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Patentee:
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H. H. Jennings (exact or similar names) - New Haven, CT |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Aug. 04, 1863 |
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Ralph Brendler
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Description: |
One of the first patents for a surface gage. This one is fairly traditional
gage, with a micrometer-adjustment added to the arm.
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