Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9521813 | Subsurface irrigation | — | 2016-12-20 |
| 9119353 | Subsurface irrigation | — | 2015-09-01 |
| 8267844 | Gripping device | Arthur Michael Kassel | 2012-09-18 |
| 7147611 | Massage device | Arthur Michael Kassel | 2006-12-12 |
| 7141027 | Leg stretching machine | Arthur Michael Kassel | 2006-11-28 |
| 7118515 | Exercising device | Arthur Michael Kassel | 2006-10-10 |