|
| US4217896 | 19 Dec 1978 | 19 Aug 1980 | | Syringe plunger snap-on pull ring |
| US4351334 | 17 Dec 1980 | 28 Sep 1982 | | Safety device for securing thumb or finger to a syringe |
| US5137511 | 16 Nov 1989 | 11 Aug 1992 | Duoject Medical Systems Inc. | Syringe |
| US5226897 | 28 Feb 1992 | 13 Jul 1993 | Professional Medical Products, Inc. | Manually driven piston syringe with frangibly mounted tube adapter |
| US5364369 | 14 Nov 1991 | 15 Nov 1994 | | Syringe |
| US5833668 | 21 Nov 1996 | 10 Nov 1998 | | Hypodermic syringe |
| US5902278 | 22 Jul 1997 | 11 May 1999 | | Hypodermic syringe |
| US7163508 | 3 Dec 2004 | 16 Jan 2007 | | Lubricating sexual aid |