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Patent applications and USPTO patent grants for Witschnigg; Andreas.The latest application filed is for "targeted delivery of progestins and estrogens via vaginal ring devices for fertility control and hrt products".
Patent | Date |
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Targeted Delivery Of Progestins And Estrogens Via Vaginal Ring Devices For Fertility Control And Hrt Products App 20190328656 - Elger; Walter ;   et al. | 2019-10-31 |
Hormonal Contraception Using A Vaginal Ring Which Releases Estriol App 20190328657 - Elger; Walter ;   et al. | 2019-10-31 |
Estrogen Prodrugs And Methods Of Administering Estrogen Prodrugs App 20190328658 - Nickisch; Klaus ;   et al. | 2019-10-31 |
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