DiOrio; David W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for DiOrio; David W..The latest application filed is for "power efficient hearing aid".
- DiOrio; David W. - West Chester PA
- DiOrio; David W. - Easton PA
| Patent | Date |
|---|---|
| Power efficient hearing aid Grant 5,321,758 - Charpentier , et al. June 14, 1 | 1994-06-14 |
| Power efficient hearing aid Grant 5,111,506 - Charpentier , et al. May 5, 1 | 1992-05-05 |
| Raster line comparator circuit for video game Grant 4,572,506 - DiOrio February 25, 1 | 1986-02-25 |
| Video sound and system control circuit Grant 4,569,019 - DiOrio , et al. February 4, 1 | 1986-02-04 |
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