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US Patent: RE14,392
Tool for treating stone, concrete and other material
Patentee: John O. Berg (exact or similar names) - New York, NY USPTO Classifications: 125/3, 451/120 Tool Categories: handheld power tools Assignees: Rotary Power-Tool Co., Inc. - New York, NY Manufacturer: Aurand Mfg. & Equipment Co. - Cincinnati, OH Concrete Surfacing Machinery Co. - Cincinnati, OH Rotary Power-Tool Co., Inc. - New York, NY Witnesses: Unknown	Patent Dates: Applied: Sep. 21, 1917 Granted: Nov. 13, 1917 Reissue Information: Reissue of 1,223,359 (Apr. 24, 1917) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Concrete Surfacing Machinery Co. Vintage Machinery entry for Aurand Mfg. & Equipment Co.

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