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US Patent: 1,644,733
Back Squaring Attachment for Lathes
Patentees:
Nathaniel King (exact or similar names) - Fitchburg, MA
Richard A. Ashton (exact or similar names) - Fitchburg, MA

USPTO Classifications:
82/138

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

Assignees:
Seneca Falls Machine Co, - Fitchburg, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 30, 1924
Granted: Oct. 11, 1927

Patent Pictures:
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