| SLUGTERRA 1550773 · TMA942912 | Nerd Corps Entertainment Inc. | 9 Electronics25 Clothing28 Toys+1 | Registered | 2016 |
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| SOLESTAR 1591649 · TMA913778 · design | an individual | 10 Medical25 Clothing | Registered | 2015 |
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| SOULSTAR 1488123 · TMA844049 | S & P Casuals Ltd. | 16 Paper18 Leather25 Clothing+1 | Registered | 2013 |
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| SOLASTRA 1428540 · TMA817940 | Beckman Coulter, Inc. | 1 Chemicals5 Pharmaceuticals | Registered | 2012 |
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| SILESTER 1197973 · TMA670211 | an individual | 1 Chemicals | Registered | 2006 |
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| SOLOSTAR 1093869 · TMA717679 | Sanofi-Aventis Deutschland GmbH | 5 Pharmaceuticals10 Medical | Registered | 2008 |
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| SYLSTAR 2088278 · TMA1170166 | Shanghai Sylstar Technology Co.Ltd. | 11 Lighting | Registered | 2023 |
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| SOLSTAR 1918474 · TMA1100227 | NewAgco Inc. | 1 Chemicals | Registered | 2021 |
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| SLASTIK 1790283 · TMA999837 · design | an individual | 9 Electronics | Registered | 2018 |
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| SULSTAR 1714311 · TMA987022 | Owner not shown | 1 Chemicals19 Building37 Construction+1 | Registered | 2017 |
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| SOLSTRA 2347476 | Dematic Corp. | 9 Electronics35 Advertising42 Science | Pending | 2024 |
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| SOLSTAR 2022608 · design | an individual | 39 Transport | Pending | 2020 |
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| SOLYESTER 2052921 · TMA1280109 | WINDS ENTERPRISES LIMITED | 22 Ropes23 Yarns24 Textiles | Registered | 2025 |
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| SalesTree 1140749 · TMA608409 | inReach Digital Corp. | 35 Advertising36 Finance42 Science | Registered | 2004 |
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| SELLSTROM 0296631 · TMA152553 | SureWerx USA Inc. | 3 Cosmetics9 Electronics10 Medical+1 | Registered | 1967 |
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| SOLESTIC 2048309 · TMA1148033 | 2234629 ALBERTA LTD. | 3 Cosmetics | Registered | 2022 |
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| SleekStrip 1986103 · TMA1135505 | IQOOL Design Products Inc. | 9 Electronics45 Legal | Registered | 2022 |
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| SLUSHTOPIA!! 1975429 · TMA1240754 | 2309270 Ontario Inc. | 30 Coffee32 Beer35 Advertising | Registered | 2024 |
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| SOILSTAR 1898213 · TMA1081089 | Alamo Group Inc. | 7 Machines | Registered | 2020 |
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| SLOWSTOP 1828129 · TMA1006962 | SlowStop Guarding Systems, LLC, a Texas limited liability company | 6 Metal | Registered | 2018 |
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| SELECTRX 1824887 · TMA1073877 | RXI Health Solutions Inc. | 35 Advertising36 Finance39 Transport+1 | Registered | 2020 |
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| SILOSTOP 1706343 · TMA964006 | Bruno Rimini Limited | 1 Chemicals16 Paper17 Rubber+3 | Registered | 2017 |
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| SELECTOR 1694414 · TMA980600 | SELECTOR SONGS LLC | 41 Education | Registered | 2017 |
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| SOLYSTAT 1515648 · TMA827653 | FINCHLEY RESEARCH & DEVELOPMENT INC. | 5 Pharmaceuticals | Registered | 2012 |
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| SWELSTAR 1332516 · TMA754306 | an individual | 5 Pharmaceuticals | Registered | 2009 |
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