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Patent applications and USPTO patent grants for Christiansen; John Taylor.The latest application filed is for "yoyo with propeller blades".
Patent | Date |
---|---|
Yoyo with propeller blades Grant 9,993,738 - Christiansen June 12, 2 | 2018-06-12 |
Yoyo With Propeller Blades App 20180028925 - Christiansen; John Taylor | 2018-02-01 |
Yoyo With Propeller Blades App 20160184720 - Christiansen; John Taylor | 2016-06-30 |
Partially collapsible structure App 20050089675 - Christiansen, John Taylor | 2005-04-28 |
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