Sigma Engineering AB
Sweden
| Total IP | 4 |
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| Total IP Rank # | 386,670 |
| IP Activity Score | 0/5.0 0 |
| IP Activity Rank # | 1,688,332 |
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| Last Patent | 2017 - Oxidation of copper in a copper ... | |||||||||||||||
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| First Patent | 2008 - A method for etching copper and ... | |||||||||||||||
Latest Inventions, Goods, Services
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