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US Patent: 744,340
Grinding Attachment for Lathes
Patentee:
James N. Heald (exact or similar names) - Barre, Worcester County, MA

USPTO Classifications:
451/160, 451/37, 451/435

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: Mar. 07, 1902
Granted: Nov. 17, 1903

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for S. Heald & Sons

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