John W. Berkman

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Costa Mesa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Corneal vacuum trephine system
- Patent number 4,796,623
- Issue date Jan 10, 1989
- The Cooper Companies, Inc.
- Gary N. Krasner
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Radial keratotomy knife and system using same
- Patent number 4,750,489
- Issue date Jun 14, 1988
- CooperVision, Inc.
- John W. Berkman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Disposable surgical fluid handling cassette
- Patent number 4,735,610
- Issue date Apr 5, 1988
- CooperVision, Inc.
- Tamer Akkas
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE