Posted on February 16, 2023February 23, 2023 Ioannis Yannis, “Mutlilayer Membrane Useful as Synthetic Skin”, 29 November 1977, US PATENT # 4,080,081. Continue reading Ioannis Yannis, “Mutlilayer Membrane Useful as Synthetic Skin”, 29 November 1977, US PATENT # 4,080,081. ShareTweetTelegramShare on TumblrEmailLike this:Like Loading...