Piechowiak; John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Piechowiak; John.The latest application filed is for "method, system and apparatus for opening doors".
- Piechowiak; John - Franklin Square NY
- Piechowiak; John - Franklin Sq NY
| Patent | Date |
|---|---|
| Method, system and apparatus for opening doors Grant 7,151,351 - Piechowiak , et al. December 19, 2 | 2006-12-19 |
| Method, system and apparatus for opening doors App 20050269984 - Piechowiak, John ; et al. | 2005-12-08 |
| Method, system and apparatus for opening doors Grant 6,624,605 - Powder , et al. September 23, 2 | 2003-09-23 |
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