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US Patent: 1,523,049
Surfacing machine
Patentee: John A. Campbell (exact or similar names) - Quincy, MA USPTO Classifications: 15/144.2, 15/50.1, 451/354, 464/117 Tool Categories: Assignees: None Manufacturer: Campbell Machine Co. - Wollaston, MA Witnesses: Unknown	Patent Dates: Applied: Jan. 03, 1924 Granted: Jan. 13, 1925 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Campbell Machine Co.
Description: "This invention relates to a machine used chiefly for dressing the surfaces of walls, ceilings, etc., composed of terrazzo, or like composition..."

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