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| US3938504 | 30 Oct 1974 | 17 Feb 1976 | | Method for measuring vagina dimensions |
| US4016867 | 27 Apr 1976 | 12 Apr 1977 | The United States of America as represented by the Secretary of the Department of Health, Education and Welfare | Uterine caliper and depth gauge |
| US4136681 | 17 Feb 1976 | 30 Jan 1979 | American Home Products Corporation | Catheter for measuring intrauterine pressure |
| US4252131 | 17 Apr 1978 | 24 Feb 1981 | American Home Products Corporation | Catheter for measuring intrauterine pressure |
| US4467816 | 22 Jul 1981 | 28 Aug 1984 | Battelle-Institut e.V. | Device for collecting cell material |
| US4533345 | 14 Jun 1983 | 6 Aug 1985 | Fertility & Genetics Associates | Uterine catheter |
| US4552557 | 21 Oct 1983 | 12 Nov 1985 | | Inflatable uterine hemostat |
| US4739767 | 20 May 1987 | 26 Apr 1988 | | Sphincterogram and anal exercising device and sphincterography method |
| US6210338 | 29 Nov 1999 | 3 Apr 2001 | AGA Medical Corp. | Sizing catheter for measuring cardiovascular structures |
| US6241678 | 21 Aug 1998 | 5 Jun 2001 | AGA Medical Corporation | Sizing catheter for measuring septal defects |
