Narayanan Ramachandran

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Bolingbrook, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for measuring vertical and horizontal pupillar...
- Patent number 5,691,799
- Issue date Nov 25, 1997
- Narayanan Ramachandran
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for measuring pupillary height
- Patent number 5,640,219
- Issue date Jun 17, 1997
- Narayanan Ramachandran
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE