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US Patent: 1,142,357
Transmission gearing
Patentee:
Reinhold A. Norling (exact or similar names) - Aurora, IL

USPTO Classifications:
290/48, 74/390, 74/421A, 74/606R

Tool Categories:
handheld power tools : handheld power drills

Assignees:
Aurora Automatic Machinery Co. - Aurora, IL

Manufacturer:
Aurora Automatic Machinery Co. - Aurora, IL

Witnesses:
C. S. Mooney
M. J. Burkel

Patent Dates:
Applied: Sep. 18, 1913
Granted: Jun. 08, 1915

Patent Pictures:
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