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Patent applications and USPTO patent grants for Royle, David Albert Cyril.The latest application filed is for "retractable road wheel and steering arrangement for an amphibious vehicle".
Patent | Date |
---|---|
Retractable road wheel and steering arrangement for an amphibious vehicle App 20050034646 - Royle, David Albert Cyril | 2005-02-17 |
Suspension system Grant 6,811,454 - Royle November 2, 2 | 2004-11-02 |
Vehicle with retractable wheel App 20040112661 - Royle, David Albert Cyril | 2004-06-17 |
Suspension system App 20030176119 - Royle, David Albert Cyril | 2003-09-18 |
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