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Patent applications and USPTO patent grants for Morris; David A.N..The latest application filed is for "test wand for liquids".
Patent | Date |
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Test Wand For Liquids App 20150285778 - Hertel; Matthew P. ;   et al. | 2015-10-08 |
High sensitivity test system for the colorimetric determination of specific gravity or total dissolved solids in aqueous samples Grant 6,638,480 - Evtodienko , et al. October 28, 2 | 2003-10-28 |
High sensitivity test system for the colorimetric determination of specific gravity or total dissolved solids in aqueous samples App 20020102740 - Evtodienko, Iouri Vladimirovich ;   et al. | 2002-08-01 |
Device and method for chemical analysis of fluids with a reagent coated light source Grant 4,717,545 - Morris January 5, 1 | 1988-01-05 |
Composition, device and method for determining reducing agents Grant 4,141,688 - Morris , et al. February 27, 1 | 1979-02-27 |
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