Helmut Hellwig

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Bad Oeynhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Steering mechanism for road cutter
- Patent number 5,337,851
- Issue date Aug 16, 1994
- AGB - Werke GmbH
- Helmut Hellwig
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Grooving depth indicator for a highway grooving machine
- Patent number 5,135,332
- Issue date Aug 4, 1992
- ABG-Werke GmbH
- Helmut Hellwig
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...