Goodfriend; Roger
Patent Applications and Registrations
Patent applications and USPTO patent grants for Goodfriend; Roger.The latest application filed is for "device and technique for transurethral ultrasonic lithotripsy using a flexible ureteroscope".
- Goodfriend; Roger - Monte Serno CA
- Goodfriend; Roger - Los Gator CA
- Goodfriend; Roger - Santa Clara CA
- Goodfriend; Roger - San Jose CA
| Patent | Date |
|---|---|
| Device and technique for transurethral ultrasonic lithotripsy using a flexible ureteroscope Grant 4,899,733 - DeCastro , et al. February 13, 1 | 1990-02-13 |
| Cutting head for ultrasonic lithotripsy Grant 4,823,793 - Angulo , et al. April 25, 1 | 1989-04-25 |
| Methods and apparatus for disintegration of urinary calculi under direct vision Grant 4,602,633 - Goodfriend , et al. July 29, 1 | 1986-07-29 |
| Apparatus For Disintegration Of Urinary Calculi Grant 3,861,391 - Antonevich , et al. January 21, 1 | 1975-01-21 |
| Method And Apparatus For Disintegration Of Urinary Calculi Grant 3,830,240 - Antonevich , et al. August 20, 1 | 1974-08-20 |
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