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US Patent: 1,356,338
Surface-treating device
Patentee: Alex A. Clarke (exact or similar names) - Dallas, TX USPTO Classifications: 144/117.4, 15/99, 451/296, 451/311, 451/350, 451/352 Tool Categories: Assignees: None Manufacturer: Clarke Sanding Machine Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Apr. 24, 1919 Granted: Oct. 19, 1920 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Clarke Sanding Machine Co.

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