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US Patent: 97,553
Improvement in machines for preparing paving-blocks
Patentees:
C. W. Stafford (exact or similar names) - New York, NY
William O. Robbins (exact or similar names) - New York, NY

USPTO Classifications:
144/248, 144/89

Tool Categories:
woodworking machines : specialty woodworking machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Dec. 07, 1869
Antedated: Nov. 30, 1869

Patent Pictures: [ 1 | 2 ]
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