US Patent: 407,408 - Machinery for Grinding the Edges of a Series of Slabs


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US Patent: 407,408

Machinery for Grinding the Edges of a Series of Slabs

Patentee:

Seth Lloyd (exact or similar names) - West New Brighton, Richmond County, NY

USPTO Classifications:

Tool Categories:

Assignees:

Old Bangor Slate Co. - Bethlehem, Lehigh and Northampton counties, PA

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Pictures: