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US Patent: 2,689
Improvement in plows
Patentee:
Barnabas Langdon - Troy, NY

USPTO Classifications:
114/79R, 172/721

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John C. Langdon
Daniel Whiting

Patent Dates:
Granted: Jun. 22, 1842

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Barnabas Langdon

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