| 3094494 | Improved ion exchange cellular products | |||
| 3091241 | Vaginal tampon | |||
| 3067745 | Absorbent product | |||
| 3024207 | Ion-exchange products and methods for making and suing them | |||
| 2943979 | Concentrated foam-producing spermicides | |||
| 2884925 | Tampon and depositor | |||
| 2880726 | Cellulose sponges | |||
| 2687729 | Medical appliance | |||
| 2467884 | Spermicides |
| GB873178A |