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US Patent: 150,469
Chucking and Centering Device for Metal Turning Lathes
Patentee:
Charles H. Gatchell (exact or similar names) - Oldtown, Penobscot County, ME

USPTO Classifications:
408/105

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories and attachments

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 10, 1874
Granted: May 05, 1874

Patent Pictures:
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