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US Patent: 1,576,428
Floor-surfacing machine
Patentee:
Oscar Earl Hadwiger (exact or similar names) - Pueblo, CO

USPTO Classifications:
15/340.2, 15/361, 451/352

Tool Categories:
woodworking machines : sanding machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 11, 1922
Granted: Mar. 09, 1926

Patent Pictures:
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