John Frederick Hayfield

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cryogenic catheter with deflectable tip
- Patent number 6,572,610
- Issue date Jun 3, 2003
- CryoGen, Inc.
- Steven W. Kovalcheck
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Cryogenic catheter with deflectable tip
- Publication number 20030195605
- Publication date Oct 16, 2003
- Steven W. Kovalcheck
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Cryogenic catheter with deflectable tip
- Publication number 20030040740
- Publication date Feb 27, 2003
- Steven W. Kovalcheck
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE