US Patent: 1,409,863
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Wrench
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Patentee:
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Henry O. Johnson (exact or similar names) - Virginia, MN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 04, 1921 |
Granted: |
Mar. 14, 1922 |
Patent Pictures:
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Henry O. Johnson patent March 14, 1922 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
The sliding jaw is held in place by a cam lever. |
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