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Filter system
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Patent number 7,364,663
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Issue date Apr 29, 2008
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Heritage-Crystal Clean, L.L.C.
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Douglas Alan Larson
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Portable filter system
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Patent number 7,300,575
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Issue date Nov 27, 2007
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Heritage-Crystal Clean, L.L.C.
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Doug Larson
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Filter system
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Patent number 6,818,126
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Issue date Nov 16, 2004
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Heritage-Crystal Clean, L.L.C.
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Douglas A. Larson
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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98215427 - DURAGREEN
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Serial number 98215427
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Registration number 7553718
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Filing date Oct 9, 2023
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Heritage-Crystal Clean, LLC
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4 - Industrial oils and greases
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97767352 - 4NEVER
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Serial number 97767352
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Filing date Jan 25, 2023
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Heritage-Crystal Clean, LLC
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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97767354 - 4NEVER
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Serial number 97767354
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Filing date Jan 25, 2023
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Heritage-Crystal Clean, LLC
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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90472261 - WIN WITH ONE
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Serial number 90472261
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Registration number 6847701
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Filing date Jan 18, 2021
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Heritage-Crystal Clean, LLC
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39 - Transport
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90472320 - WIN WITH ONE
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Serial number 90472320
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Registration number 6847704
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Filing date Jan 18, 2021
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Heritage-Crystal Clean, LLC
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39 - Transport
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90472284 - ONE
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Serial number 90472284
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Registration number 6847702
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Filing date Jan 18, 2021
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Heritage-Crystal Clean, LLC
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39 - Transport
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90472300 - ONE DRIVE
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Serial number 90472300
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Registration number 6847703
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Filing date Jan 18, 2021
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Heritage-Crystal Clean, LLC
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39 - Transport
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90472243 - ONE DRIVE
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Serial number 90472243
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Registration number 6847700
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Filing date Jan 18, 2021
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Heritage-Crystal Clean, LLC
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39 - Transport
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88916230 - CRYSTAL SORB
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Serial number 88916230
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Registration number 7087362
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Filing date May 14, 2020
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Heritage-Crystal Clean, LLC
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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88916278
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Serial number 88916278
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Registration number 7087363
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Filing date May 14, 2020
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Heritage-Crystal Clean, LLC
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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88916410 - CRYSTAL SORB
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Serial number 88916410
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Filing date May 14, 2020
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Heritage-Crystal Clean, LLC
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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88916320 - CRYSTAL SORB
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Serial number 88916320
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Registration number 7087364
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Filing date May 14, 2020
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Heritage-Crystal Clean, LLC
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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88916344 - CRYSTAL SORB
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Serial number 88916344
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Registration number 7087365
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Filing date May 14, 2020
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Heritage-Crystal Clean, LLC
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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88916377 - CRYSTAL SORB
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Serial number 88916377
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Filing date May 14, 2020
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Heritage-Crystal Clean, LLC
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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85316722 - HOMER C. CAT
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Serial number 85316722
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Registration number 4485534
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Filing date May 10, 2011
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Heritage-Crystal Clean, LLC
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17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
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85259197 - THE ALL AMERICAN OIL
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Serial number 85259197
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Filing date Mar 6, 2011
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Heritage-Crystal Clean, LLC
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry