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US Patent: 1,647,396
Rotary tool with key pocket
Patentee:
Alonzo Galloway Decker - Baltimore, MD

USPTO Classifications:
279/149, 408/241R

Tool Categories:
woodworking tools : hand drills : drill chucks

Assignees:
Black & Decker Manufacturing Co. - Towson, MD

Manufacturer:
Black & Decker Manufacturing Co. - Towson, MD

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 25, 1925
Granted: Nov. 01, 1927

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Black & Decker Manufacturing Co., Ltd.

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