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US Patent: 550,693
Pipe Wrench
Patentee:
Mike Henry Riza (exact or similar names) - Centre Mill, TX

USPTO Classifications:
81/186, 81/97

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. Ruppert
H. A. Daniels
L. M. Pace
L. W. Pace
Patent Dates:
Applied: Apr. 29, 1895
Granted: Dec. 03, 1895

Patent Pictures:
Mike Henry Riza patent December 3, 1895
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Description:
Pivoting inner jaw, with a spring loaded "setter" to push the movable jaw into engagement with the work piece.

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