US Patent: 1,097,096
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| Wrench
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Patentees:
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| Henry H. Heuerman (exact or similar names) - Hillsboro, OR |
| Henry Hunteman (exact or similar names) - Hillsboro, OR |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 30, 1913 |
| Granted: |
May 19, 1914 |
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Patent Pictures:
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Henry H. Heuerman and Henry Hunteman patent May 19, 1914 |
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Stan Schulz
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Description: |
| The mechanics of this adjustable pin spanner would not have allowed for any rugged use. It was intended primarily to be used as a valve grinding and lapping tool. The screw at the bottom turns the adjusing gear; the screw on the side locks the adjustment. |
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