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US Patent: 2,623,440
Unitary work holder
Patentee:
Walter Nipken (exact or similar names) - Fairlawn, NJ

USPTO Classifications:
269/207, 269/93

Tool Categories:
work holding

Assignees:
Warren Dunham Foster - Eustis, FL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 31, 1945
Granted: Dec. 30, 1952

Patent Pictures:
USPTO (New site tip)
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Vintage Machinery entry for Wohlnip Products, Inc.
Description:
Inventor Walter Nipken (1903-1998) established machine tool accessories maker Wohlnip Products, Inc. This patent's original application was split; see also patent 2,499,408.

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