Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D834177 | Flex conduit for a breast pump | John Y. Chang | 2018-11-20 |
| D832995 | Breast pump | John Y. Chang, Joshua Makower | 2018-11-06 |
| D828542 | Flange for a breast pump | John Y. Chang | 2018-09-11 |
| 9951685 | Rotary valve internal combustion engine | Keith Lawes | 2018-04-24 |
| D811579 | Flex conduit for a breast pump | John Y. Chang | 2018-02-27 |
| D809646 | Breast pump | John Y. Chang, Joshua Makower | 2018-02-06 |