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| US4158035 | 15 Mar 1978 | 12 Jun 1979 | | Multiple sample micropipette |
| US4236516 | 16 Feb 1978 | 2 Dic 1980 | | Syringe and disposable container therefor |
| US4278089 | 9 Nov 1978 | 14 Jul 1981 | Howmedica, Inc. | Wound drainage device |
| US4296071 | 14 Nov 1979 | 20 Oct 1981 | Boehringer Mannheim | Pipette with elastic bellows |
| US4378333 | 11 Dic 1980 | 29 Mar 1983 | | Device for preparing blood smears on glass slides and method therefor |
| US4511534 | 26 May 1982 | 16 Abr 1985 | John T. Bennett | Liquid transfer device |
| US4537231 | 29 Ago 1983 | 27 Ago 1985 | Becton, Dickinson and Company | Dispenser apparatus for simultaneously dispensing predetermined equal volumes of liquid including a disposable dispenser module |
| US4578060 | 20 Jul 1983 | 25 Mar 1986 | Howmedica, Inc. | Wound drainage device |
| US4650662 | 13 Nov 1984 | 17 Mar 1987 | Cedars-Sinai Medical Center | Portable blood typing apparatus and method |
| US4653511 | 5 Oct 1984 | 31 Mar 1987 | | Microsample blood collecting device |
| US4738379 | 13 May 1986 | 19 Abr 1988 | Colpo Co., Ltd. | Cartridge and its extractor |
| US4789526 | 15 Dic 1986 | 6 Dic 1988 | Pall Corporation | Vacuum diagnostic device |
| US4852620 | 20 Abr 1988 | 1 Ago 1989 | Eastman Kodak Company | Pipette with inverted bellows |
| US4976926 | 28 Jul 1988 | 11 Dic 1990 | Pall Corporation | Vacuum diagnostic device |
| US5035150 | 8 Ene 1990 | 30 Jul 1991 | Kontron Instruments Holdings, N.V. | Pipetting method |
| US5098386 | 17 May 1991 | 24 Mar 1992 | | Infant nasal suction apparatus |
| US5118474 | 19 Sep 1988 | 2 Jun 1992 | | Laboratory pipet |
| US5154702 | 21 May 1990 | 13 Oct 1992 | Wheaton Industries | Variable dosage dropper system |
| US5186563 | 7 Ene 1991 | 16 Feb 1993 | | Fluid dispenser with applicator member |
| US5406856 | 25 Mar 1994 | 18 Abr 1995 | Eppendorf-Netheler Hinz | Pipetting apparatus |
| US5773305 | 2 May 1996 | 30 Jun 1998 | Bayer Corp. | Sample dilution module |
| US5807320 | 2 May 1996 | 15 Sep 1998 | | Bottle squeezing method |
| US5836922 | 21 Jun 1996 | 17 Nov 1998 | Bernd Hansen | Container for delivery of flowable material |
| US6135989 | 13 May 1998 | 24 Oct 2000 | | Pressurized intravenous infusion bag |
| US6261847 | 10 Jul 1998 | 17 Jul 2001 | Bayer Corporation | Sample dilution module with offset mixing chamber |
| US6629626 | 7 Mar 2000 | 7 Oct 2003 | Dyax, Corporation | Liquid transfer device |
