Davenport; Steven Roy
Patent Applications and Registrations
Patent applications and USPTO patent grants for Davenport; Steven Roy.The latest application filed is for "exhaust air transfer device for open system underwater diving".
- Davenport; Steven Roy - Yukon OK
| Patent | Date |
|---|---|
| Exhaust Air Transfer Device for Open System Underwater Diving App 20170036745 - Davenport; Steven Roy | 2017-02-09 |
| Exhaust Air Transfer Device For Open System Underwater Diving App 20140190475 - Davenport; Steven Roy | 2014-07-10 |
| Exhaust air transfer device for open system underwater diving Grant 8,418,689 - Davenport April 16, 2 | 2013-04-16 |
| Retractable neckpiece for headwear Grant 8,291,518 - Davenport October 23, 2 | 2012-10-23 |
| Retractable neckpiece for headwear Grant 8,024,818 - Davenport September 27, 2 | 2011-09-27 |
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