Peter Cleve

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Extrusion tool for producing a drill bit blank
- Patent number 4,831,859
- Issue date May 23, 1989
- Fried. KRUPP Gesellschaft mit beschrankter Haftung
- Peter Cleve
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Extrusion tool for producing hard-metal or ceramic drill blank
- Patent number 4,779,440
- Issue date Oct 25, 1988
- Fried.Krupp Gesellschaft mit beschraenkter Haftung
- Peter Cleve
- B28 - WORKING CEMENT, CLAY, OR STONE