Patent Number | Grant Date | Title | Total Oppositions |
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EP1939259 | Mar 9, 2022 | Friction Body, Writing Instrument And Writing Instrument Set | 1 |
EP2368721 | Aug 11, 2021 | Friction Body, Writing Instrument And Writing Instrument Set | 1 |
EP2772523 | Nov 28, 2018 | Reversibly Thermochromic Composition | 1 |
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