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US Patent: 478,248
Bit-stock
Patentee:
Oliver R. Alden (exact or similar names) - Nicholson, PA

USPTO Classifications:
81/29, 81/35, 81/63.1

Tool Categories:

Assignees:
H. W. Lord - Lathrop, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jul. 05, 1892

Patent Pictures:
USPTO (New site tip)
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