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Igor S. Trishevsky
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Kharkov, SU
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last 30 patents
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Patent Grant
Roll-forming machine for making articles having cross-sectional con...
Patent number
4,558,577
Issue date
Dec 17, 1985
Ukrainsky Nauchnoissledovatelsky Institut Metallov
Igor S. Trishevsky
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mill stand for forming discontinuous longitudinal deformations in s...
Patent number
4,295,353
Issue date
Oct 20, 1981
Vyacheslav I. Anisimov
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mill for making transverse deformations on sheet metal
Patent number
4,292,830
Issue date
Oct 6, 1981
Igor S. Trishevsky
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Electric spark building-up of metal on the working surface of rolls
Patent number
4,292,494
Issue date
Sep 29, 1981
Igor S. Trishevsky
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR