US Patent: 162,422 - Method of Enlarging the Ends of Metal-Bars


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US Patent: 162,422

Method of Enlarging the Ends of Metal-Bars

Patentee:

George H. Sellers (exact or similar names) - Wilmington, DE

USPTO Classifications:

Tool Categories:

Assignees:

William Sellers - Philadelphia, PA

John Sellers, Jr. - Philadelphia, PA

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Pictures: