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US Patent: 1,046,237
Drill and chuck
Patentee:
Verner J. Wahlstrom (exact or similar names) - Brooklyn, NY

USPTO Classifications:
279/71

Tool Categories:

Assignees:
Bernhard T. Burchardi - Brooklyn, NY
Verner J. Wahlstrom - Brooklyn, NY

Manufacturer:
Wahlstrom Tool Co. - Brooklyn, NY

Witnesses:
Sydney I. Prescott
Frank H. Vick, Jr.

Patent Dates:
Applied: Jan. 27, 1911
Granted: Dec. 03, 1912

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