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US Patent: 1,633,389
Electric tool
Patentee:
Walter Stumpf - Baltimore, MD

USPTO Classifications:
310/258

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

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 15, 1926
Granted: Jun. 21, 1927

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

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