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US Patent: 116,134
Improvement in split castings
Patentee:
James Yocom, Jr. (exact or similar names) - Philadelphia, PA

USPTO Classifications:
249/98, 474/98

Tool Categories:
trade specific : foundryman

Assignees:
James Yocom & Son - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
C. R. Spangler
J. M. Colgan
Patent Dates:
Granted: Jun. 20, 1871

Patent Pictures:
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