Carvalho; Paul Armand
Patent Applications and Registrations
Patent applications and USPTO patent grants for Carvalho; Paul Armand.The latest application filed is for "rotational airfoil balance system".
- Carvalho; Paul Armand - Westfield MA
| Patent | Date |
|---|---|
| Rotational airfoil balance system Grant 7,581,929 - Carvalho September 1, 2 | 2009-09-01 |
| Propeller blade retention system Grant 7,422,419 - Carvalho September 9, 2 | 2008-09-09 |
| Rotational airfoil balance system App 20080003107 - Carvalho; Paul Armand | 2008-01-03 |
| Propeller blade retention system App 20070041839 - Carvalho; Paul Armand | 2007-02-22 |
| Propeller actuation system Grant 7,172,391 - Carvalho February 6, 2 | 2007-02-06 |
| Propeller actuation system App 20060029496 - Carvalho; Paul Armand | 2006-02-09 |
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