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US Patent: 3,500,696
Two-speed power tool
Patentee: Warren A. Berube (exact or similar names) - Camillus, NY USPTO Classifications: 74/342, 74/363 Tool Categories: handheld power tools Assignees: Rockwell Mfg. Co. - Pittsburgh, PA Manufacturer: Rockwell Mfg. Co. - Pittsburgh, PA Witnesses: Unknown	Patent Dates: Applied: Jul. 25, 1968 Granted: Mar. 17, 1970 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.

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