Frederic Neftel, Bernard Bouvier, Syringe device for mixing two compoundsOfficial Gazette of the United States Patent and Trademark Office Patents. ,vol. 1215, pp. 3955- ,(1994)
Patrick Balteau, Eric Henaut, Lecon Woo, Sandra Wade, Eddie Chan, Thomas D. Hiller, Joyce Silvestri, Lisa S. Walsh, Hugh M. Forman, Andrew D. Aswad, Franco Peluso, Dale Severs, Port adaptor and protector and container having same ,(1994)