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| US4152820 | 9 Feb 1978 | 8 May 1979 | | Method of expanding shot tip |
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| US4271991 | 30 Nov 1978 | 9 Jun 1981 | | Low pressure dispensing |
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| US4730752 | 19 May 1986 | 15 Mar 1988 | S. C. Johnson & Son Inc. | Anti-seating valve cup |
| US4752020 | 7 May 1986 | 21 Jun 1988 | | Pressurized dispensing container |
| US4997420 | 28 Dic 1989 | 5 Mar 1991 | | Portable drug delivery device including pump with tapered barrel |
| US5100389 | 17 Ene 1991 | 31 Mar 1992 | | Ambulatory infusion pump |
| US5127556 | 17 Jul 1991 | 7 Jul 1992 | United States Can Company | Low mass piston system for necked-in aerosol cans |
| US5133701 | 15 Oct 1990 | 28 Jul 1992 | | Disposable pressure wound irrigation device |
