Norbert Nowottny

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Leonberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Length-adjustable spectable temple
- Patent number 5,133,595
- Issue date Jul 28, 1992
- Marwitz & Hauser GmbH
- Heinz Gutbrod
- G02 - OPTICS
Information Patent Grant
Length-adjustable spectacle temple
- Patent number 4,946,268
- Issue date Aug 7, 1990
- Marwitz & Hauser GmbH
- Norbert Nowottny
- G02 - OPTICS
Information Patent Grant
Self-opening spectacle frame
- Patent number 4,932,771
- Issue date Jun 12, 1990
- Marwitz & Hauser GmbH
- Norbert Nowottny
- G02 - OPTICS