Walter Johann

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Wermelskirchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the automatic installation of expander rings into spl...
- Patent number 5,285,568
- Issue date Feb 15, 1994
- Goetze AG
- Walter Johann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and lathe for machining out-of-round circumferences
- Patent number 4,282,784
- Issue date Aug 11, 1981
- Goetze AG
- Otto Feller
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR