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US Patent: 82,131
Centering Device
Patentee:
Edwin E. Lazell (exact or similar names) - Philadelphia, PA

USPTO Classifications:
33/676

Tool Categories:
metalworking tools : center punches

Assignees:
Edwin E. Lazell - Philadelphia, PA
Francis Keyser - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Sep. 15, 1868

Patent Pictures:
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