Rato Buhler

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Spencer, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Convergence mechanism for binocular refracting instrument
- Patent number 4,243,304
- Issue date Jan 6, 1981
- American Optical Corporation
- Rato R. Buhler
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Refractor cross-cylinder apparatus
- Patent number 4,185,896
- Issue date Jan 29, 1980
- American Optical Corporation
- Rato Buhler
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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