Ratcliff; Henry Kevin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ratcliff; Henry Kevin.The latest application filed is for "advanced ultrasonic processor".
- Ratcliff; Henry Kevin - Liverpool GB
- Ratcliff; Henry Kevin - Davenport IA
| Patent | Date |
|---|---|
| Advanced ultrasonic processor Grant 7,322,431 - Ratcliff January 29, 2 | 2008-01-29 |
| Advanced ultrasonic processor App 20050271559 - Ratcliff, Henry Kevin | 2005-12-08 |
| Gated Power Supply For Sonic Cleaners Grant 3,638,087 - Ratcliff January 25, 1 | 1972-01-25 |
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