US Patent: 968,718 - Tapping or drilling attachment


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US Patent: 968,718

Tapping or drilling attachment

Patentee:

Verner J. Wahlstrom (exact or similar names) - New York, NY

USPTO Classifications:

470/182, 74/377, 74/421R

Tool Categories:

metalworking machines : drilling and boring : tapping heads and chucks

Assignees:

Bernard T. Burchardi - Brooklyn, NY

Verner J. Wahlstrom - Brooklyn, NY

Manufacturer:

Wahlstrom Tool Co. - New York, NY

Witnesses:

Patent Dates:
Applied:	Jul. 14, 1909
Granted:	Aug. 30, 1910

Patent Pictures:

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Vintage Machinery entry for Wahlstrom Tool Co.

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