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US Patent: 200,757
Improvement in ratchet bit-braces
Patentee:
Henry L. Pratt (exact or similar names) - Brooklyn, NY

USPTO Classifications:
81/32

Tool Categories:
woodworking tools : braces : ratchet braces

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. H. Johnson
E. P. Stoughton
Patent Dates:
Applied: Dec. 26, 1877
Granted: Feb. 26, 1878

Patent Pictures:
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