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US Patent: D57,576
Design for a portable electric tool
Patentees:
Alonzeo G. Decker - Towson, MD
Samuel Duncan Black - Towson, MD

USPTO Classifications:
D8/67

Tool Categories:
woodworking machines : handheld power tools : handheld drills

Assignees:
Second National Bank of Baltimore - Baltimore, MD

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

Witnesses:
Walter Stumpf
Porter H. Flautt

Patent Dates:
Applied: May 17, 1920
Granted: Apr. 26, 1921

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

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