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US Patent: 1,285,159
Grinding Machine
Patentee:
James N. Heald (exact or similar names) - Worcester, MA

USPTO Classifications:
451/213, 451/393, 451/411

Tool Categories:

Assignees:
Heald Machine Co. - Worcester, MA

Manufacturer:
Not known to have been produced

Witnesses:
C. F. Nisson

Patent Dates:
Applied: Jan. 02, 1918
Granted: Nov. 19, 1918

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Heald Machine Co.
Description:
Southgate & Southgate - patent attorneys

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