Sergei Cheprasov

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Niles, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of thin-film magnetic heads
- Patent number 6,045,431
- Issue date Apr 4, 2000
- Speedfam Corporation
- Sergei Cheprasov
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR