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US Patent: 739,537
Tool Holder for Engraving Machines
Patentee:
Allan E. Francis (exact or similar names) - Cleveland, Cuyahoga County, OH

USPTO Classifications:
279/83, 407/3

Tool Categories:
industrial tools : tool holders
metalworking machines : metal engraving machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 29, 1903
Granted: Sep. 22, 1903

Patent Pictures:
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