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At least this [1] article seems to indicate the presence of patents [1] https://www.businesswire.com/news/home/20171220005895/en/E-Ink-Successfully-Defends-Pat

by taf2 5y ago

At least this [1] article seems to indicate the presence of patents [1] https://www.businesswire.com/news/home/20171220005895/en/E-Ink-Successfully-Defends-Patent-Infringement-Case https://www.businesswire.com/news/home/20171220005895/en/E-I...