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Catalyst guard
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Patent number 11,041,836
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Issue date Jun 22, 2021
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O. I. Corporation
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Noel C. Bauman
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F27 - FURNACES KILNS OVENS RETORTS
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Smart slide
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Patent number 10,816,267
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Issue date Oct 27, 2020
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O. I. Corporation
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Nathan C. Rawls
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Foam detector and disruptor
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Patent number 6,894,784
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Issue date May 17, 2005
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O. I. Corporation, Inc.
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Richard K. Simon, Jr.
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G01 - MEASURING TESTING
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Sample concentrator filter
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Patent number 5,261,937
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Issue date Nov 16, 1993
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O. I. Corporation
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Kenneth K. Jiang
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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88422449 - MYGC
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Serial number 88422449
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Filing date May 9, 2019
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O.I. Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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86926448 - O·I·ANALYTICAL
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Serial number 86926448
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Registration number 5058882
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Filing date Mar 2, 2016
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O.I. Corporation
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7 - Machines and machine tools
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77264812 - OI OFFICES
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Serial number 77264812
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Registration number 3756447
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Filing date Aug 27, 2007
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Oi Offices, LLC
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36 - Insurance
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76458315 - CHROM-NET
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Serial number 76458315
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Registration number 2741668
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Filing date Oct 15, 2002
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O.I. Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76458320 - CHROM-LINK
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Serial number 76458320
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Registration number 2826154
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Filing date Oct 15, 2002
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O.I. Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75401091 - ALPKEM
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Serial number 75401091
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Registration number 2231926
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Filing date Dec 5, 1997
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O.I. Corporation
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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74395300 - PATTI
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Serial number 74395300
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Registration number 1830212
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Filing date May 26, 1993
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O.I. Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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74186258 - PATTI
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Serial number 74186258
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Filing date Jul 18, 1991
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O.I. Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73461658 - WAFERTOC
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Serial number 73461658
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Registration number 1306898
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Filing date Jan 20, 1984
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O.I. Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments