Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665039 | Excercise and/or therapy apparatus having an impeller for use in a pool of liquid | Frank H. Speckhart, Alan Scott, Wil Siersma | 1997-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665039 | Excercise and/or therapy apparatus having an impeller for use in a pool of liquid | Frank H. Speckhart, Alan Scott, Wil Siersma | 1997-09-09 |