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All Patents of Type: engraving machines
Patents 1 - 8 of 8
First set of recordsLast set of records
GB-181,904,400Oct. 11, 1819J. PerkinsOrnamental turning, etc., for bank notesengraving machines
738,149Sep. 08, 1903I.R. BeamEngraving-machineengraving machines
2,251,166Jul. 29, 1941H.P. PreisEngraving machine pattern and copy character thereforengraving machines
2,282,473May 12, 1942J.A. HoffmannCopy character holderengraving machines
D155,539Oct. 11, 1949J.A. Hoffman, M.H. PreisDesign for an engraving machineengraving machines
2,524,636Oct. 03, 1950M.H. Preis, J.A. HofmannCutter for pantograph engraving machinesengraving machines
2,627,658Feb. 10, 1953E.T. GreenEngraving Machineengraving machines
2,703,455Mar. 08, 1955E.T. GreenAutoradial Engraving Deviceengraving machines
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