Jurgen Hoffmann

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sucker rods
- Patent number 4,592,421
- Issue date Jun 3, 1986
- Bayer Aktiengesellschaft
- Jurgen Hoffmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anchoring element for fibrous composite materials
- Patent number 4,526,492
- Issue date Jul 2, 1985
- Bayer Aktiengesellschaft
- Lothar Preis
- E04 - BUILDING