Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10888684 | Sleep apnea ball valve device with bleed for exhaling | Carl Kramer | 2021-01-12 |
| 10751501 | Sleep apnea cannula head harness device | Carl Kramer | 2020-08-25 |
| 10391273 | Sleep apnea device to positively block exhaling and method of use | — | 2019-08-27 |