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US Patent: 878,631
Mechanism for Turning the Edges of Sheet Metal
Patentee:
Theodore C. Hook (exact or similar names) - Philadelphia, PA

USPTO Classifications:
493/405

Tool Categories:
metalworking machines : sheet metal

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 12, 1905
Granted: Feb. 11, 1908

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