Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461324 | Suction bell for breast pump | — | 2002-10-08 |
| 5009638 | Breast pump | Robert Riedweg | 1991-04-23 |
| 4799922 | Breast pump insert | Christian Beer, Robert Riedweg | 1989-01-24 |
| 4673388 | Breast pump | Christian Beer, Robert Riedweg | 1987-06-16 |
| 4617912 | Incubator | Christian Beer, Robert Riedweg | 1986-10-21 |
| 4573969 | Breast pump | Christian Beer, Robert Riedweg | 1986-03-04 |