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Patent applications and USPTO patent grants for Campbell; Duncan B..The latest application filed is for "agricultural article inspection apparatus and method employing spectral manipulation to enhance detection contrast ratio".
Patent | Date |
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Agricultural article inspection apparatus and method employing spectral manipulation to enhance detection contrast ratio Grant 6,410,872 - Campbell , et al. June 25, 2 | 2002-06-25 |
Agricultural Article Inspection Apparatus And Method Employing Spectral Manipulation To Enhance Detection Contrast Ratio App 20020008055 - CAMPBELL, DUNCAN B. ;   et al. | 2002-01-24 |
Peach pit detection apparatus and method Grant 6,225,620 - Campbell , et al. May 1, 2 | 2001-05-01 |
Apparatus and method for detecting and sorting plastic articles having a preferred axis of birefringence Grant 5,675,416 - Campbell , et al. October 7, 1 | 1997-10-07 |
Methods of separating selected items from a mixture including raisins and the selected items Grant 5,464,981 - Squyres , et al. November 7, 1 | 1995-11-07 |
Electro-mechanical control means for space communication receiver Grant 4,307,294 - Campbell December 22, 1 | 1981-12-22 |
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