US Patent: 70,937
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| Improvement in Joiners' Gauges
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Patentee:
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| Mason C. Ames (exact or similar names) - Hartford, CT |
| USPTO Classifications: |
| 33/42 |
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Patent Dates:
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| Granted: |
Nov. 19, 1867 |
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Patent Pictures:
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1 | 2
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Ralph Brendler
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Description: |
| This is a very simple patent, covering a head that can be rotated 90 degrees on the shaft to present a curved or flat reference surface.
The only known marked example is marked with the incorrect patent date: November 19, 1869. |
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