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US Patent: 1,529,910
Grip-handle switch for electric drills
Patentee: Reinhold A. Norling (exact or similar names) - Aurora, IL USPTO Classifications: 200/417, 310/50, 310/68A Tool Categories: handheld power tools : handheld power drills Assignees: Independent Pneumatic Tool Co. - Chicago, IL Manufacturer: Independent Pneumatic Tool Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Oct. 07, 1920 Granted: Mar. 17, 1925 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thor Power Tool Co.
Description: The Independent Pneumatic Tool Co. changed its name to Thor Power Tool Co. in 1953.

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