US Patent: 2,931,254 - Boring Head


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US Patent: 2,931,254

Boring Head

Patentees:

Ottis R. Birney, Jr. (exact or similar names) - Pontiac, Oakland County, MI

James W. Birney (exact or similar names) - Pontiac, Oakland County, MI

USPTO Classifications:

Tool Categories:

Assignees:

Birney Mfg. Co. - Pontiac, Oakland County, MI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Pictures: