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US Patent: 47,359
Steam Cut-Off
Patentee:
John Jackman, Jr. (exact or similar names) - Newburyport, Essex County, MA

USPTO Classifications:
91/221

Tool Categories:

Assignees:
American Automatic Stop Motion Co. - Newburyport, Essex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Apr. 18, 1865

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