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Patent applications and USPTO patent grants for Chang; Huei Liang.The latest application filed is for "endoscope assembly useful with a scope-sensing light cable".
Patent | Date |
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Endoscope assembly useful with a scope-sensing light cable Grant 7,018,331 - Chang , et al. March 28, 2 | 2006-03-28 |
Endoscope assembly useful with a scope-sensing light cable App 20040064019 - Chang, Huei Liang ;   et al. | 2004-04-01 |
Endoscope assembly useful with a scope-sensing light cable Grant 6,689,050 - Beutter , et al. February 10, 2 | 2004-02-10 |
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