Manfred Barenz

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Dreieich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Contact lens
- Patent number 5,069,542
- Issue date Dec 3, 1991
- Titmus Eurocon Kontaktlinsen GmbH & Co. KG.
- Peter Hofer
- G02 - OPTICS
Information Patent Grant
Contact lens and compositions
- Patent number 4,463,148
- Issue date Jul 31, 1984
- Titmus Eurocon Kontaktlinsen GmbH KG & Co.
- Peter Hofer
- G02 - OPTICS