| HARDSTOP 1922252 · TMA1098310 | The Diller Corporation | 19 Building | Registered | 2021 |
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| HEARTSTOPPER 2088877 · TMA1257611 | Netflix Studios, LLC | 41 Education | Registered | 2024 |
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| HEARTHSTONE 2281845 · TMA1269072 | an individual | 11 Lighting | Registered | 2024 |
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| HEARTHSTONE 1842882 · TMA1047575 | Corelle Brands Holdings Inc. | 20 Furniture24 Textiles | Registered | 2019 |
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| HEARTHSTONE 1840200 · TMA1047577 | Corelle Brands Holdings Inc. | 4 Oils8 Hand11 Lighting+3 | Registered | 2019 |
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| HEARTHSTONE 1695688 · TMA952528 | Sistos Liquor Store 2021 Ltd. | 30 Coffee32 Beer33 Wine+2 | Registered | 2016 |
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| HEARTHSTONE 1627319 · TMA937622 | Blizzard Entertainment, Inc. | 9 Electronics41 Education | Registered | 2016 |
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| HEARTHSTONE 1445193 · TMA769812 | Gordon Food Service, Inc. | 29 Meat30 Coffee | Registered | 2010 |
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| HEARTHSTONE 1228024 · TMA652318 | Corelle Brands Holdings Inc. | 21 Housewares | Registered | 2005 |
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| HEARTHSTONE 1224779 · TMA656124 | Greystone Retirement Communities Ltd. | 37 Construction39 Transport41 Education+3 | Registered | 2006 |
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| HEARTSCAPE 1492812 · TMA866922 | Verathon Inc. | 5 Pharmaceuticals9 Electronics10 Medical | Registered | 2013 |
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| HEARTSPOKE 2326406 | Heartspoke LLC | 35 Advertising | Pending | 2024 |
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| HEARTSTEEL 2287087 | Owner not listed | 9 Electronics41 Education | Pending | 2023 |
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| HEARTSHOTS 1982941 | an individual | 40 Treatment41 Education | Pending | 2019 |
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| HEARTCUP 2193892 · TMA1219408 | GOLD FLAG LTD. | 25 Clothing | Registered | 2024 |
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| HEARTSET 1943976 · TMA1233091 | SHARMA LEADERSHIP INTERNATIONAL INC. | 9 Electronics16 Paper38 Telecommunications+1 | Registered | 2024 |
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| HEARTS 0909202 | WESTERN CANADA LOTTERY CORPORATION (WCLC) | All goods and services | Protected | 1997 |
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| HEARTSINE 2301398 | Physio-Control, Inc. | 10 Medical | Pending | 2023 |
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| HEARTSING 2126852 · design | HEARTSING PTY LTD | 16 Paper21 Housewares24 Textiles+2 | Pending | 2021 |
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| HEARTSTATION 2089603 | Agfa HealthCare Inc. | 9 Electronics42 Science | Pending | 2021 |
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| HEARTTEX 2085149 · design | FUJIAN HENGAN HOLDING CO. LTD. | 5 Pharmaceuticals10 Medical16 Paper+2 | Pending | 2021 |
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| HEARTCOOL 2027065 | Nipro Canada Corporation | 10 Medical | Pending | 2020 |
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| Heartsbloom 2110520 · TMA1179286 | an individual | 9 Electronics41 Education44 Medical | Registered | 2023 |
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| HARTOSCOPE 2253579 · TMA1271575 | Hartoscope Craft Limited | 21 Housewares | Registered | 2024 |
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| HEARTSHEET 1827675 · TMA1016371 | TERUMO KABUSHIKI KAISHA (TERUMO CORPORATION) | 5 Pharmaceuticals10 Medical42 Science+1 | Registered | 2019 |
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