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US Patent: 9,410
Printing Press
Improvement in Printing-Presses
Patentee:
Stephen P. Ruggles (exact or similar names) - Boston, MA

USPTO Classifications:
101/317, 101/321, 271/3.14, 271/5

Tool Categories:
specialty machines : printing presses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. O. Prince
J. C. Crosman
Patent Dates:
Granted: Nov. 16, 1852

Patent Pictures:
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