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All Patents of Type: engraving machines
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
GB-181,904,400Oct. 11, 1819J. PerkinsOrnamental turning, etc., for bank notesengraving machines
17,146Apr. 28, 1857C.H. FieldMachine for engraving designs on watch and locket cases, &c.engraving machines
66,819Jul. 16, 1867C.H. FieldRosette engineengraving machines
102,950May 10, 1870T. LippiattMachine for engraving and chasing articles of metalengraving machines
104,744Jun. 28, 1870J.D. LathropImprovement in engraving-machinesengraving machines
108,940Nov. 01, 1870J. RogersImprovement in finishing the surfaces of plated goodsengraving machines
192,247Jun. 19, 1877C.H. FieldImprovement in engraving-machinesengraving 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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