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Patent applications and USPTO patent grants for Clark; Donald P..The latest application filed is for "self-aligning wheeled trailer connecting mechanism".
Patent | Date |
---|---|
Self-aligning wheeled trailer connecting mechanism Grant 9,770,954 - Clark September 26, 2 | 2017-09-26 |
Attachable laterally-stable range extender for an electric vehicle Grant 9,643,669 - Clark May 9, 2 | 2017-05-09 |
System and method of connecting surfaces in an irregular space or measuring an irregular space Grant 8,572,849 - Clark November 5, 2 | 2013-11-05 |
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