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US Patent: 3,413,498
Electrically powered hand tool
Patentees: Charles R. Stelljes (exact or similar names) - Fayetteville, NY Lawrence Harris Bowen, III (exact or similar names) - North Syracuse, NY USPTO Classifications: 200/522, 310/47, 310/50 Tool Categories: handheld power tools Assignees: Rockwell Mfg. Co. - Pittsburgh, PA Manufacturer: Rockwell Mfg. Co. - Pittsburgh, PA Witnesses: Unknown	Patent Dates: Applied: Aug. 09, 1965 Granted: Nov. 26, 1968 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.
Description: This patent discloses a design for double insulation of a handheld power tool.

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