| Number | Name | Date | Kind |
|---|---|---|---|
| 2324520 | Lamson | Jul 1943 | A |
| 2533924 | Foley | Dec 1950 | A |
| 3642004 | Osthagen | Feb 1972 | A |
| 3812841 | Issacson | May 1974 | A |
| 5611768 | Tutrone | Mar 1997 | A |
| 5795288 | Cohen | Aug 1998 | A |
| 6119697 | Engel | Sep 2000 | A |
| Entry |
|---|
| Calog of Millex Products, Inc., Chicago, USA Pessaries of Various types. |