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| US5334162 | 15 Mar 1993 | 2 Aug 1994 | Eli Lilly and Company | Cartridge assembly for a lyophilized compound forming a disposable portion of an injector pen and method for same |
| US5454786 | 28 Mar 1994 | 3 Oct 1995 | Eli Lilly and Company | Cartridge assembly for a lyophilized compound forming a disposable portion of an injector pen and method for same |
| US6017331 | 20 Feb 1998 | 25 Jan 2000 | Becton Dickinson and Company | Threaded medication cartridge |
| US6354603 | 5 May 2000 | 12 Mar 2002 | | Sealing device for carpule |
