Staffan B. Persson

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Kenmore, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical apparatus for varying focal power along one principal merid...
- Patent number 4,203,651
- Issue date May 20, 1980
- American Optical Corporation
- Staffan B. Persson
- G01 - MEASURING TESTING
Information Patent Grant
Alignment system and ophthalmic instrument incorporating the same
- Patent number 4,180,323
- Issue date Dec 25, 1979
- American Optical Corporation
- Staffan B. Persson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compact subjective refractive instrument
- Patent number 4,179,196
- Issue date Dec 18, 1979
- American Optical Corporation
- Staffan B. Persson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Control means
- Patent number 4,117,341
- Issue date Sep 26, 1978
- American Optical Corporation
- Staffan B. Persson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Adjustable support
- Patent number 4,116,548
- Issue date Sep 26, 1978
- American Optical Corporation
- Staffan B. Persson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE