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Patent applications and USPTO patent grants for Hoppy; Joseph E..The latest application filed is for "interactive multi-sensory reading system electronic teaching/learning device".
Patent | Date |
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Interactive Multi-Sensory Reading System Electronic Teaching/Learning Device App 20070190511 - Ernst; Stephen M. ;   et al. | 2007-08-16 |
Interactive multi-sensory reading system electronic teaching/learning device Grant 7,203,455 - Ernst , et al. April 10, 2 | 2007-04-10 |
Interactive multi-sensory reading system electronic teaching/learning device App 20040043371 - Ernst, Stephen M. ;   et al. | 2004-03-04 |
Toy power tool Grant 6,062,939 - Parker , et al. May 16, 2 | 2000-05-16 |
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