US Patent: 1,017,550
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| Wrench
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Patentee:
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| Milton A. Johnson (exact or similar names) - Denison, IA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 11, 1911 |
| Granted: |
Feb. 13, 1912 |
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Patent Pictures:
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Milton A. Johnson patent February 13, 1912 |
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Stan Schulz
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Description: |
| Screw-adjustable wrench with hammer poll and screwdriver. Conceived as a "vehicle wrench." The main feature is the pivoting spring latch which selects whether the screw adjustment changes the size of the open end, or the axle nut socket. |
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