Alexandr M. Ryskind

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Moscow, SU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for manufacturing steel spring leaves
- Patent number 4,294,098
- Issue date Oct 13, 1981
- Viktor P. Egorov
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for manufacturing steel spring leaves
- Patent number 4,193,824
- Issue date Mar 18, 1980
- Viktor P. Egorov
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...