Erwin Fehr

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Heerbrug, CH

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Patents Grantslast 30 patents

Information Patent Grant
Microscope with movable binocular tube
- Patent number 4,717,246
- Issue date Jan 5, 1988
- Wild Heerbrugg AG
- Erwin Fehr
- G02 - OPTICS
Information Patent Grant
Microscope with a binocular tube
- Patent number 4,697,893
- Issue date Oct 6, 1987
- Wild Heerbrugg AG
- Erwin Fehr
- G02 - OPTICS