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US Patent: RE12,681
Floor surfacer, cleaner and polisher
Patentees: John H. Prugh (exact or similar names) - Oakland, CA Samuel B. Zimmer (exact or similar names) - Oakland, CA Aaron T. Spence (exact or similar names) - Alameda, CA USPTO Classifications: 451/352 Tool Categories: woodworking machines : sanding machines Assignees: American Floor Surfacing Machine Co. - Toledo, OH Manufacturer: American Floor Surfacing Machine Co. - Toledo, OH Witnesses: Unknown	Patent Dates: Applied: Apr. 08, 1906 Granted: Aug. 20, 1907 Reissue Information: Reissue of 728,423 (May 19, 1903) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for American Floor Surfacing Machine Co.

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