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Patent applications and USPTO patent grants for Estes; Roger Q..The latest application filed is for "surgical retractor elements and assembly".
Patent | Date |
---|---|
Surgical retractor elements and assembly Grant 4,421,107 - Estes , et al. December 20, 1 | 1983-12-20 |
Process and device for the therapeutic treatment of hemorrhoids Grant 4,142,529 - Latenser , et al. March 6, 1 | 1979-03-06 |
Disposable noise reducing hearing aid attachment Grant 4,073,366 - Estes February 14, 1 | 1978-02-14 |
Disposable noise reducing hearing aid attachment Grant 3,976,848 - Estes August 24, 1 | 1976-08-24 |
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