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US Patent: D155,539
Design for an engraving machine
Patentees:
Martin H. Preis - Cranford, NJ
Jakob A. Hoffman - Lyndhurst, NJ

USPTO Classifications:
D18/57

Tool Categories:
specialty machines : 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 pdf tiff
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"Vintage Machinery" entry for H. P. Preis Engraving Machine Co.

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