US Patent: 138,973
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| Improvement in stocks for drill or other bits
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Patentee:
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| Harry B. Williams (exact or similar names) - Cincinnati, OH |
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Patent Dates:
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| Applied: |
Feb. 03, 1873 |
| Granted: |
May 13, 1873 |
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Patent Pictures:
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1 | 2
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Harry B. Williams patent May 13, 1873 |
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Stan Schulz
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Description: |
| The patent includes reversible ratchet, clamping frame, etc. The tool appears in books describing railroad maintenance tools, and the Williams Tool Co. listing in the Cincinnati City directories indicate a couple of the assignees were company officers. |
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