US Patent: 572,030 - Dental Engine


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US Patent: 572,030

Dental Engine

Patentees:

Frederick C. Ries (exact or similar names) - Macon, Bibb County, GA

Henry H. Johnson (exact or similar names) - Macon, Bibb County, GA

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Pictures: