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US Patent: 138,877
Improvement in copy-holders
Patentees:
Rufus D. Chase (exact or similar names) - Orange, MA
Stephen French (exact or similar names) - Orange, MA

USPTO Classifications:
40/345

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Jonas R. Davis
John C. Felt
T. B. Mosher
C. Sedgwick

Patent Dates:
Applied: Apr. 12, 1873
Granted: May 13, 1873

Patent Pictures:
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