|
| US4817450 | 30 nov. 1987 | 4 avr. 1989 | Spedco, Inc. | Pressure/temperature test plug assembly |
| US5653353 | 7 août 1995 | 5 août 1997 | | Unitary cap and collar with integral tether construction for bottle feeder |
| US5887626 | 22 mai 1997 | 30 mars 1999 | Stopak (Proprietary) Limited | Gland structure for liner bags |
| US6766918 | 3 janv. 2003 | 27 juil. 2004 | | Storage container with captive lid |
