Park; Helen K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Park; Helen K..The latest application filed is for "sole construction for shoe having self-pumping extendable spikes".
- Park; Helen K. - La Habra CA US
| Patent | Date |
|---|---|
| Extendable spikes for shoes Grant 8,578,631 - Francello , et al. November 12, 2 | 2013-11-12 |
| Extendable spikes for shoes App 20110047830 - Francello; Gene A. ; et al. | 2011-03-03 |
| Sole construction for shoe having self-pumping extendable spikes App 20110047817 - Francello; Gene A. ; et al. | 2011-03-03 |
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