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US Patent: 1,442,612
Solid Tire Grooving Machine
Patentee:
Albert Hargraves (exact or similar names) - Akron, Summit County, OH

USPTO Classifications:
157/13409

Tool Categories:
specialty tools : automotive tools : tire facing and grooving tools

Assignees:
Firestone Tire & Rubber Co. - Akron, Summit County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 17, 1920
Granted: Jan. 16, 1923

Patent Pictures:
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