Hazenberg; K. Pieter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hazenberg; K. Pieter.The latest application filed is for "article of footwear having a fluid-filled chamber with flexion zones".
- Hazenberg; K. Pieter - Portland OR
| Patent | Date |
|---|---|
| Article of footwear having a fluid-filled chamber with flexion zones Grant 7,752,772 - Hatfield , et al. July 13, 2 | 2010-07-13 |
| Article of footwear having a fluid-filled chamber with flexion zones Grant 7,555,851 - Hazenberg , et al. July 7, 2 | 2009-07-07 |
| Fluid system having an expandable pump chamber Grant 7,451,554 - Hazenberg , et al. November 18, 2 | 2008-11-18 |
| Fluid system having multiple pump chambers Grant 7,409,779 - Dojan , et al. August 12, 2 | 2008-08-12 |
| Article of footwear having a fluid-filled chamber with flexion zones App 20070169376 - Hatfield; Tobie D. ; et al. | 2007-07-26 |
| Article of footwear having a fluid-filled chamber with flexion zones App 20070169379 - Hazenberg; K. Pieter ; et al. | 2007-07-26 |
| Fluid system having an expandable pump chamber App 20070084083 - Hazenberg; K. Pieter ; et al. | 2007-04-19 |
| Fluid system having multiple pump chambers App 20070084082 - Dojan; Frederick J. ; et al. | 2007-04-19 |
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