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US Patent: 2,823,563
Depth control attachment for a drill or the like
Patentee:
Walter Nipken - Irvington, NJ

USPTO Classifications:
408/110, 408/202

Tool Categories:
metalworking machines : drilling and boring

Assignees:
None

Manufacturer:
Wohlnip Products, Inc. - East Orange, NJ

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 06, 1956
Granted: Feb. 18, 1958

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Wohlnip Products, Inc.
Description:
The inventor Walter Nipken (1903-1998) established machine tool accessories maker Wohlnip Products, Inc. This patent's original application was split; see also patent 2,915,925.

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