US Patent: 150,625
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| Tempering and Forming Articles of Steel
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Patentees:
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| George F. Simonds (exact or similar names) - Fitchburg, MA |
| James A. Ferson (exact or similar names) - Fitchburg, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 07, 1874 |
| Granted: |
May 05, 1874 |
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Patent Pictures:
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G. F. Simonds and J.A. Ferson Pat. May 5, 1874 |
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Stan Schulz
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Description: |
| The patent is a set of clamps and related tempering processes for forming circular saw blades. The clamp also appears in pat. no. 151,167 for the furnace in which this process would be carried out. |
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