Patent No. EP3743217 (titled "Multicolor Powder Center For Supplying At Least One Powder Spraying Device With Different Types Of Coating Powder As Required") was filed by Gema Switzerland on Jan 23, 2019. The application was issued on Mar 9, 2022.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
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