Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12080401 | Combination respiratory therapy device, system and method | David J. Birnkrant, Mike Yang ChangGuo | 2024-09-03 |
| 11471366 | Percussion therapy apparatus and methods thereof | John A. Bobey, Bryan Chng, Kok Boon R. Ong, Harold M. Cabral, Deny D. Barilea +16 more | 2022-10-18 |
| 10814082 | Combination respiratory therapy device, system and method | David J. Birnkrant, Michael Yang ChangGuo | 2020-10-27 |
| 9795752 | Combination respiratory therapy device, system, and method | David J. Birnkrant, Mike Yang ChangGuo | 2017-10-24 |
| 8251876 | Breathing exercise apparatus | John A. Bobey, Brian E. Byrd, Rollie J. Kitchens, Matthew Lambert | 2012-08-28 |