(marketscreener.com) SUNNYVALE, Calif., Feb. 11, 2019 (GLOBE NEWSWIRE) -- Cambrios Film Solutions Corporation, the world leader in SNW technology and owner of the most comprehensive portfolio of SNW related patents, filed a petition requesting an inter partes review (IPR) of C3Nano's core US Patent 9,183,968 with the US Patent Trial and Appeal Board on...http://www.marketscreener.com/news/Cambrios-Files-Inter-Partes-Review-Seeking-to-Invalidate-C3Nano-Inc-s-Core-US-Patent-in-Silver-Nano--27991712/?utm_medium=RSS&utm_content=20190211