Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547440 | Lung exerciser | Louis C. Rubens | 1996-08-20 |
| 5439430 | Respiratory exerciser | Louis C. Rubens | 1995-08-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547440 | Lung exerciser | Louis C. Rubens | 1996-08-20 |
| 5439430 | Respiratory exerciser | Louis C. Rubens | 1995-08-08 |