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US Patent: 1,854,071
Method of manufacturing abrasives
Patentee: Elmer C. Schacht (exact or similar names) - Troy, NY USPTO Classifications: 101/DIG.037, 118/206, 118/308, 118/640, 26/28, 264/440, 264/447, 427/474, 51/295 Tool Categories: Assignees: Behr-Manning Corp. - Troy, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 14, 1930 Granted: Apr. 12, 1932 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Production Machine Co.
Description: Of interest because Schacht once worked for Production Machine Co., which made sanding machines.

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