Erhard Schafer

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59757 Arnsberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Changing device for shaft/hub connections
- Patent number 6,390,723
- Issue date May 21, 2002
- Erhard Schäfer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Changing device for shaft/hub connections
- Patent number 6,056,473
- Issue date May 2, 2000
- Erhard Schafer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...