US Patent: 983,562
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Pipe Flange Wrench
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Patentee:
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Michael Murray (exact or similar names) - Chicago, IL |
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Patent Dates:
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Applied: |
May 11, 1910 |
Granted: |
Feb. 07, 1911 |
Patent Pictures:
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Michael Murray patent February 7, 1911 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
Reversible ratchet mechanism turns a broad plate with slots and holes to bolt to the face of a threaded flange for connecting pipe segments. |
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