|
| US4226342 | 15 Dic 1978 | 7 Oct 1980 | | Dispensing valve particularly for viscous products |
| US4739906 | 14 Jul 1986 | 26 Abr 1988 | Blairex Laboratories, Inc. | Storage bottle for contact lens cleaning solution having a self closing valve assembly |
| US5226568 | 13 Ene 1992 | 13 Jul 1993 | Blairex Laboratories Inc. | Flexible container for storage and dispensing of sterile solutions |
| US5950878 | 4 Ago 1997 | 14 Sep 1999 | Steris Corporation | Dispensing tube valve assembly |
