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CA Patent: CA-14,634
Improvements in Expanding Mandrels
Patentee:
William H. Nicholson (exact or similar names) - Wilkes-Barre, Luzerne County, PA

USPTO Classifications:

Tool Categories:
metalworking tools : mandrels and arbors

Assignees:
None

Manufacturer:
W. H. Nicholson & Co. - Wilkes-Barre, Luzerne County, PA

Witnesses:
Unknown
Patent Dates:
Granted: Apr. 21, 1882

Patent Pictures:
CIPO Data
Espacenet patent
Report data errors or omissions to steward Joel Havens
Vintage Machinery entry for W. H. Nicholson & Co.

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