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US Patent: 8,742
Improvement in Steam Boilers
Patentee:
James Millholland (exact or similar names) - Reading, PA

USPTO Classifications:
110/297, 122/58R, 122/70, 122/83, 269/54.4

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
D. A. Griffith
J. C. Allen
Patent Dates:
Granted: Feb. 17, 1852

Patent Pictures:
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