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US Patent: D155,539
Design for an engraving machine
Patentees: Jakob A. Hoffman (exact or similar names) - Lyndhurst, NJ Martin H. Preis (exact or similar names) - Cranford, NJ USPTO Classifications: D18/57 Tool Categories: metalworking machines : metal engraving machines Assignees: H. P. Preis Engraving Machine Co. - Newark, NJ Manufacturer: H. P. Preis Engraving Machine Co. - Hillside, NJ Witnesses: Unknown	Patent Dates: Applied: Aug. 20, 1947 Granted: Oct. 11, 1949 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for H. P. Preis Engraving Machine Co.

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