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Patent applications and USPTO patent grants for Ratzlaff; Eugene Henry.The latest application filed is for "retrieving handwritten documents using multiple document recognizers and techniques allowing both typed and handwritten queries".
Patent | Date |
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Retrieving handwritten documents using multiple document recognizers and techniques allowing both typed and handwritten queries Grant 7,627,596 - Kwok , et al. December 1, 2 | 2009-12-01 |
Handwriting recognizer user interface methods Grant 7,502,017 - Ratzlaff , et al. March 10, 2 | 2009-03-10 |
Retrieving handwritten documents using multiple document recognizers and techniques allowing both typed and handwritten queries App 20020165873 - Kwok, Thomas Yu-Kiu ;   et al. | 2002-11-07 |
Real time measurement of etch rate during a chemical etching process Grant 5,788,801 - Barbee , et al. August 4, 1 | 1998-08-04 |
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