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US Patent: 1,633,563
Shingle-abrading machine
Patentee:
Charles M. Abbott (exact or similar names) - Watertown, MA

USPTO Classifications:
144/115, 144/129, 144/13, 144/143, 451/182, 451/184

Tool Categories:
woodworking machines : specialty woodworking machines : shingle machines

Assignees:
Samuel Cabot, Inc. - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 16, 1925
Granted: Jun. 28, 1927

Patent Pictures:
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