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US Patent: 263,444
Machine for Truing Grindstones
Patentee:
Frank Trier - Boston, MA

USPTO Classifications:
125/11.01

Tool Categories:
stoneworking machines : stone dressing machines

Assignees:
A. C. Baldwin - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 10, 1882
Granted: Aug. 29, 1882

Patent Pictures:
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