Hayfield, John Frederick
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hayfield, John Frederick.The latest application filed is for "cryogenic catheter with deflectable tip".
- Hayfield, John Frederick - San Diego CA
| Patent | Date |
|---|---|
| Cryogenic catheter with deflectable tip App 20030195605 - Kovalcheck, Steven W. ; et al. | 2003-10-16 |
| Cryogenic catheter with deflectable tip Grant 6,572,610 - Kovalcheck , et al. June 3, 2 | 2003-06-03 |
| Cryogenic catheter with deflectable tip App 20030040740 - Kovalcheck, Steven W. ; et al. | 2003-02-27 |
| Magnetic sleeve assembly App 20030025412 - Hayfield, John Frederick | 2003-02-06 |
| Sealing assembly Grant 6,471,217 - Hayfield , et al. October 29, 2 | 2002-10-29 |
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