Semen Arefievich Kalinnikov

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Kiev, SU

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Patents Grantslast 30 patents

Information Patent Grant
Transformer for arc and plasma setups having broad current adjustme...
- Patent number 4,737,704
- Issue date Apr 12, 1988
- Semen A. Kalinnikov
- G05 - CONTROLLING REGULATING
Information Patent Grant
Adjustable transformer
- Patent number 4,032,840
- Issue date Jun 28, 1977
- Vladimir Konstantinovich Lebedev
- G05 - CONTROLLING REGULATING