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US Patent: 109,993
Improvement in carriage-springs
Patentee:
David S. Abbott (exact or similar names) - Ischua, NY

USPTO Classifications:
267/258

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles J. Caswell
S. R. Sherlock
Patent Dates:
Granted: Dec. 13, 1870

Patent Pictures:
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