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US Patent: 956,849
Portable electric drill
Patentee:
William C. Hafemeister (exact or similar names) - Cleveland, OH

USPTO Classifications:
310/50, 310/83

Tool Categories:
handheld power tools

Assignees:
Van Dorn & Dutton Co. - Cleveland, OH

Manufacturer:
Van Dorn & Dutton Co. - Cleveland, OH

Witnesses:
H. L. Schneider
John F. Oberlin

Patent Dates:
Applied: Dec. 11, 1908
Granted: May 03, 1910

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Van Dorn Electric Tool Co.
Description:
Drill gearing.

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